The diagram below represents an object 0.030 m high placed at point X, 0.60 m from the center of the lens. An image is formed at point Y, 0.30 m from the center of the lens. Time image formed is ________.
Answers
In the given scenario, where the object is placed beyond the focal point (f) and the image is formed between the focal point (f) and twice the focal point (2f). The approximate time at which the image is formed is 0.60 seconds.
We can determine the approximate time at which the image is formed using the lens formula.
The lens formula is given by:
1/f = 1/v - 1/u
Where:
f is the focal length of the lens,
v is the image distance from the lens (positive for real images on the opposite side of the lens),
u is the object distance from the lens (positive for objects on the opposite side of the lens).
From the information given, we can determine the object distance (u) and the image distance (v) as follows:
Given:
Height of the object (h) = 0.030 m
Distance from the center of the lens to the object (u) = 0.60 m
Distance from the center of the lens to the image (v) = 0.30 m
Since the object is beyond the focal point (f) and the image is between the focal point (f) and twice the focal point (2f), we can assume that the lens is a converging lens (convex lens).
Now, let's calculate the approximate time at which the image is formed:
1/f = 1/v - 1/u
1/f = 1/0.30 - 1/0.60
Simplifying:
1/f = (2 - 1)/0.60
1/f = 1/0.60
f = 0.60
Therefore, the approximate time at which the image is formed is 0.60 seconds.
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Related Questions
Which of the following describes the correct order of energy conversions necessary to form electricity from solar panels?
Solar Heat Kinetic → Electric
Solar- Kinetic Heat → Electric
Solar 1 Heat → Electric
O Solar ->Electric
Answers
Answer:
hydrochlorine +12÷B to the power of 4 -× y reapeated zminus 2 to the power of 9
Can the sun explain global warming? ( 2 points) Suppose that the Earth has warmed up by 1 K in the last hundred years. i) How much would the solar constant have to increase to explain this? ii) Compare this to the observed fluctuation of the solar constant over the past 400 years (shown in class) For part (i), begin with the standard 'blackbody' calculation from class, that is: set α=0.30, and assume that the Earth acts as a blackbody in the infrared.
Answers
No, the sun cannot explain global warming. Global warming is a phenomenon in which the temperature of the Earth's surface and atmosphere is rising continuously due to human activities such as deforestation, burning of fossil fuels, and industrialization.
This increase in temperature cannot be explained only by an increase in solar radiation.There are several factors which contribute to global warming, including greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the Earth's atmosphere, which causes the planet's temperature to rise. The sun's radiation does contribute to global warming, but it is not the main cause.
i) To calculate the increase in solar radiation that would cause the Earth to warm up by 1 K, we can use the following formula:ΔS = ΔT / αWhere ΔS is the increase in solar constant, ΔT is the increase in temperature, and α is the Earth's albedo (reflectivity).α = 0.30 is the standard value used for the Earth's albedo.ΔS = ΔT / αΔS = 1 K / 0.30ΔS = 3.33 W/m2So, to explain the increase in temperature of 1 K over the last hundred years, the solar constant would need to increase by 3.33 W/m2.
ii) The observed fluctuation of the solar constant over the past 400 years has been around 0.1% to 0.2%. This is much smaller than the 3.33 W/m2 required to explain the increase in temperature of 1 K over the last hundred years. Therefore, it is unlikely that the sun is the main cause of global warming.
The sun cannot explain global warming. While the sun's radiation does contribute to global warming, it is not the main cause. The main cause of global warming is human activities, particularly the burning of fossil fuels, which release large amounts of greenhouse gases into the atmosphere.
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4. After traveling for 60 seconds, a runner reaches a speed of 10 m/s. What is the runner's acceleration?
Answers
The acceleration is given as:
\(a=\frac{v_f-v_0_{}}{t}\)where vf is the final velocity, v0 is the initial velocity and t is the time. In this case we have that the final velocity is 10 m/s, the initial one is zero m/s and the time it takes is 60 seconds, plugging this values we have:
\(a=\frac{10-0}{60}=\frac{10}{60}=0.167\)Therefore the acceleration is:
\(a=0.167\text{ }\frac{m}{s^2}\)22. *what conditions are required in order for water to have an upward component to its specific discharge (q) in the unsaturated zone? assuming a uniform material, what would the vertical profile of water content have to be like?
Answers
In order for water to have an upward component to its specific discharge (q) in the unsaturated zone, two conditions must be met: a non-uniform water content distribution and a positive hydraulic gradient.
If we assume uniform material, the vertical profile of water content should be decreasing with depth. This is because the unsaturated zone is a region in which the soil pores are only partially filled with water, and the water content decreases with increasing depth due to the gravitational pull. Therefore, the unsaturated zone is a region of decreasing water content with depth.
If the water content distribution is non-uniform, such as in the case of a perched water table or a lens of water held above an impervious layer, water can have an upward component to its specific discharge (q) in the unsaturated zone. This is because a positive hydraulic gradient can be established, which means that water will flow from the area of higher water content to the area of lower water content.
In summary, two conditions must be met for water to have an upward component to its specific discharge (q) in the unsaturated zone: a non-uniform water content distribution and a positive hydraulic gradient. If we assume uniform material, the vertical profile of water content should be decreasing with depth.
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A sample of an unknown substance has a mass of 120.0 grams. As the substance cools from 90.0°C to 80.0°C, it released 963.6) of energy. a. What is the specific heat of the sample? b. Identify the substance among those liseted in the table below
Answers
a. The specific heat of the sample is approximately 0.803 J/g°C.
b. Since the specific heat of the unknown substance is much lower than that of water and higher than that of metals, it is likely a non-metallic substance.
a. To determine the specific heat of the sample, we can use the formula:
Q = mcΔT
where Q is the energy released, m is the mass of the sample, c is the specific heat, and ΔT is the change in temperature.
Substituting the given values, we get:
963.6 J = (120.0 g) c (80.0°C - 90.0°C)
Simplifying the equation, we get:
c = 963.6 J / (120.0 g * 10.0°C)
c ≈ 0.803 J/g°C
b. To identify the substance, we can compare its specific heat to the specific heats of known substances. Here are some common substances and their specific heats:
Water: 4.184 J/g°C
Aluminum: 0.900 J/g°C
Iron: 0.449 J/g°C
Copper: 0.385 J/g°C
Since the specific heat of the unknown substance is much lower than that of water and higher than that of metals, it is likely a non-metallic substance.
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The specific heat of the unknown substance is 1.61 J/g°C. The substance is most likely water.
To calculate the specific heat of the unknown substance, we can use the formula Q = mcΔT, where Q is the energy released, m is the mass of the substance, c is the specific heat, and ΔT is the change in temperature. Rearranging this formula to solve for c, we get c = Q/(mΔT). Substituting the given values, we get c = 963.6 J/(120.0 g × 10.0°C) = 1.61 J/g°C.
Water has a specific heat of 4.18 J/g°C, which is much higher than the specific heat of the unknown substance. This suggests that the unknown substance is not water. Looking at the table of specific heats for various substances, we can see that the specific heat of aluminum (0.90 J/g°C) and copper (0.39 J/g°C) are much lower than the specific heat of the unknown substance, so they can be ruled out. The specific heat of ethanol (2.44 J/g°C) is closer to the specific heat of the unknown substance, but still higher. Therefore, the unknown substance is most likely water, which has a specific heat of 4.18 J/g°C.
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a driven RLC circuit has Vc=5 V, Vr=7 V and Vl=9 V. the driving frquency is
A. higher than the resonance frequency
B. Equal to the resonance frequency
C. lower than the resonance frequency
Answers
option C, which states that the driving frequency is lower than the resonance frequency. In a driven RLC circuit, the voltage across each component is affected by the frequency of the driving source. At the resonance frequency, the circuit exhibits a maximum response.
In this scenario, we are given the values of Vc, Vr, and Vl, and we need to determine the driving frequency.
To solve this problem, we need to compare the values of Vc, Vr, and Vl to each other. Since Vl is greater than Vr and Vc, it indicates that the circuit is predominantly inductive. This means that the impedance of the circuit increases with frequency.
Therefore, the driving frequency must be lower than the resonance frequency to create an inductive response. So, the correct answer is option C, which states that the driving frequency is lower than the resonance frequency.
In summary, by analyzing the voltages across the components of the circuit, we can determine the type of response and the frequency of the driving source. The RLC circuit's response is dependent on the impedance of the components, which changes with frequency, and this response can be used in various applications, including filtering and tuning circuits.
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"A bicyclist starts from rest and accelerates along a straight path to a speed of 12.15 m/s in a time of 4.5 seconds. What is the bicyclist’s acceleration in m/s2?A. .37B. 54.7C. 2.7D. 6.8"
Answers
The bicyclist's acceleration is 2.7 m/s². Thus, Option C is the answer
Acceleration is defined as rate of change of velocity with time. Its formula is
a= \(\frac{vf - vi}{t}\)
acceleration = (final velocity - initial velocity) / time
The bicyclist's acceleration can be found using this equation:
In this case,
final velocity = 12.15 m/s
initial velocity is 0 m/s (since the bicyclist starts from rest)
time = 4.5 s
Plugging these values into the equation, we get:
a =\(\frac{12.5 - 0}{4.5}\)
a = 2.7 ms⁻²
Therefore, The correct answer is c. 2.7 m/s²
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A racecar on a straight track, starting from rest*, steps on the
accelerates towards the finish line at 10.0 m/s^2. If the finish line is
500.0m away, how yong does it take the car to cross the finish line?"
A 5.08
B 10.05
C 20.05
D 50.0s
E 100.0
Answers
The average threshold of dark-adapted (scotopic) vision is 4.00 × 10⁻¹¹W/m² at a central wavelength of 500nm . If light with this intensity and wavelength enters the eye and the pupil is open to its maximum diameter of 8.50 mm , how many photons per second enter the eye?
Answers
In dark-adapted (scotopic) vision, with light of intensity 4.00 × 10⁻¹¹ W/m² and a central wavelength of 500nm entering the eye, the maximum number of photons per second that enter the eye through a pupil diameter of 8.50 mm is approximately 4.23 × 10⁷ photons/s.
To calculate the number of photons per second entering the eye, we need to consider the intensity of light and the effective area of the pupil. The intensity of light is given as 4.00 × 10⁻¹¹ W/m², which represents the power per unit area. We can convert this intensity to photons per second using the energy of a single photon at a wavelength of 500nm, which is approximately 3.97 × 10⁻¹⁹ J. Dividing the intensity by the energy of a photon gives us the number of photons per second per square meter.
Next, we need to consider the effective area of the pupil. The maximum diameter of the pupil is given as 8.50 mm, which corresponds to a radius of 4.25 mm or 0.00425 m. The area of a circle is calculated by multiplying π (approximately 3.14159) with the square of the radius. Multiplying this area by the number of photons per second per square meter gives us the total number of photons per second entering the eye.
Performing the calculations, the result is approximately 4.23 × 10⁷ photons/s. This value represents the estimated number of photons that enter the eye per second when exposed to light of the given intensity and wavelength with the maximum dilation of the pupil.
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Simple harmonic motion occurs when an object is displaced from its stable equilibrium position and the force or torque pushing it back toward equilibrium is ______ in displacement. Group of answer choices exponential sinusoidal quadratic linear
Answers
Answer:
force is of the LINEAR type
Explanation:
In simple harmonic movements the restoring force is of the Hooke e-force type, which has the form
F = - k (x-x₀)
where x₀ is the initial length of the spring.
Therefore we can see this force is of the LINEAR type
Read the excerpt from " Crossing the Brooklyn Ferry." Flood-tide below me! I see you face to face! Clouds of the west – sun there half an hour high – I see you also face to face. Which statement best describes the effect of repeating the phrase "face to face"? It shows that the narrator sees the facial features of others. It demonstrates that the narrator is surrounded by nature. It demonstrates that the narrator is surrounded by people. It shows that the narrator is suspicious of the sea and sky.
Answers
Answer:
It demonstrates that the narrator is surrounded by nature.
Explanation:
Walt Whitman's "Crossing the Brooklyn Ferry" is a free verse poem written about the speaker's return trip on a ferry. He talks about his daily commute on the Brooklyn ferry, like the other commuters, and how they all share the same experience.
The given lines are from the very first stanza of the poem. The speaker repeats "face-to-face" when talking about nature. He sees the "flood-tide below" and the "clouds" high in the sky. This repetition demonstrates that he is surrounded by nature, amidst the throng of people around him. This shows the speaker's attitude of seeing the beauty of nature in any way he can, despite the bustle of commuting from Brooklyn to Manhattan.
Thus, the correct answer is the second option.
Answer:
B
Explanation:
edge 2023
The linear expansivity of a metal p Is twice that of metal q. When these metals are heated through the same temperature, their increase in length is the same. Calculate the ratio of the original length of p to that of q
Answers
Answer:0-------0
do we have options?
Explanation:
while dipping a solid object in a liquid upthrust on the object due to the liquid and the weight of the displaced liquid are shown to be equal in an experiment.which principal does the experiment?
Answers
Answer:
If you try to lift up a weight in a swimming pool and then try to lift the same weight on the edge of the pool, it feels much lighter in the water.
This was supposed to have been first explained by the Greek scientist Archimedes. He said that the water gives an upward force or upthrust on any object in it.
You can weigh an object in air and then in water and actually work out the upthrust, it is the difference between the two readings. For this reason the upthrust is often called the loss in weight of the object.
Which type of force is responsible for reverse fault formation?
A)compressional force
B)shear force
C)tensional force
Answers
The correct answer is A) Compressional force which is responsible for reverse fault formation.
When compressional forces act on the Earth's crust, they push rocks together, causing the crust to shorten and thicken. This force leads to the formation of a reverse fault, where the hanging wall moves up relative to the footwall. Compressional force is the result of two tectonic plates pushing against each other. As the two plates push against each other, they cause the rock in the middle to be compressed and pushed upwards. This creates a reverse fault, which is a type of fault where the block of rock on one side of the fault is pushed up relative to the other side.
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fill in the blank. on mercury and the moon, we notice that larger craters __________ smaller crater
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On Mercury and the Moon, we notice that larger craters dwarf smaller craters.
What is the relationship between the size of craters and their impact on Mercury and the Moon?On both Mercury and the Moon, the surfaces are covered with impact craters, which are formed when asteroids or comets collide with these bodies. While craters come in various sizes, we can observe that larger craters tend to dominate and overshadow smaller ones. This indicates that there have been significant impacts throughout the history of Mercury and the Moon, resulting in the formation of these larger craters.
The size difference between larger and smaller craters is particularly evident on Mercury, as it lacks an atmosphere to erode or weather the craters. Therefore, the larger craters on Mercury remain well-preserved and are easily distinguishable. On the Moon, although there is no atmosphere to the same extent as Earth's, some erosion and weathering processes occur due to micrometeorite impacts, the solar wind, and occasional volcanic activity. Nonetheless, the larger craters still retain their dominance over the smaller ones.
Understanding the relationship between the sizes of craters on Mercury and the Moon provides valuable insights into their geological history and the frequency and magnitude of impacts these bodies have experienced over time. The presence of larger craters suggests that more substantial objects have collided with these celestial bodies, potentially causing significant disturbances and shaping their surfaces.
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How many valence
electrons are in the atom modeled below?
Answers
Valence electrons are the outmost shell (the first one or the biggest circle) if you count the biggest one you have 8 :D
if you use copper wire with a 0.57 mm diameter as the heating element, how long should the wire be if you want to generate 16 w of heating power? express your answer to two significant figures and include the appropriate units.
Answers
The length of copper wire needed to provide 16 W of heating power is determined by various parameters, including the wire's resistivity and the voltage applied to it.
We may use the formula P = (V2)/R, where P is power, V is voltage, and R is resistance, assuming a standard voltage of 120 V and a resistivity of 1.68 x 10-8 m for copper wire. The resistance of the wire may be determined using the formula R = (L)/A, where is the resistivity, L is the wire's length, and A is the wire's cross-sectional area. The cross-sectional area of a wire with a diameter of 0.57 mm may be computed using the formula A = r2, where r is the wire's radius. We may use the cross-sectional area to calculate the length of wire required to provide 16 W of heating power. When we solve for L, we get: L = (1.68 x 10-8 m)((0.57/2 x 10-3 m)2)(16 W)/(120 V)2 3.09 m As a result, a copper wire with a diameter of 0.57 mm and a length of around 3.09 m would create 16 W of heating power.
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Write the subtraction sentence that is shown on the number line.
Do not reduce the fractions.
3
AN
No
AO
Answers
Answer:
where is the number line? I'm not sure what I'm supposed to be looking at.
a particle of mass 2m is moving to the right in projectile motion. at the top of its trajectory, an explosion breaks the particle into two equal parts. after the explosion, one part falls straight down with no horizontal motion. what is the direction of the motion of the other part just after the explosion?
Answers
The direction of motion of the other part just after the explosion is straight down with a vertical velocity that is perpendicular to its motion.
After the explosion, the particle is broken into two equal parts, one of which falls straight down with no horizontal motion. The other part will have a horizontal velocity and a vertical velocity that is perpendicular to its motion. Since the two parts are equal in mass and the explosion breaks the particle into two equal parts, the initial velocity of the particle is zero. This means that the horizontal and vertical velocities of the two parts will be equal and opposite in direction.
The horizontal velocity of the particle just after the explosion is zero, since it is no longer moving horizontally. The vertical velocity of the particle just after the explosion is also zero, since the particle is falling straight down with no horizontal motion. Therefore, the direction of motion of the other part just after the explosion is straight down with a vertical velocity that is perpendicular to its motion.
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A 2.0-cm-tall object is 70 cm in front of a converging lens that has a 35 cm focal length.
Calculate the image position.
Calculate the image height. Type a positive value if the image is upright and a negative value if it is inverted.
Answers
Therefore, the image is formed at a distance of -70 cm from the lens and it is an inverted image with a height of 2.0 cm.
Given data:
Object height (h) = 2.0 cm, Object distance (u) = -70 cm, Focal length (f) = 35 cm
Lens formula is given as follows:
`1/f = 1/u + 1/v`
where, f = focal length of the lens, u = object distance from the lens, v = image distance from the lens
By using the lens formula,
the image distance (v) can be calculated as
:1/f = 1/u + 1/v1/35 = 1/-70 + 1/v1/v = 1/-70 - 1/35 = -3/210 = -1/70v = -70 cm
The negative sign indicates that the image is formed on the same side of the lens as the object.
Therefore, it is an inverted image.
The image height can be calculated using the magnification formula which is given as follows:
`m = -v/u`
where, m = magnification
v = image distance from the lens, u = object distance from the lens
Substituting the values, we get:
`m = -v/u`
`m = -(-70)/(-70)
`m = 1
The positive value of magnification indicates that the image is an upright image.
The height of the image can be calculated as:
`m = -v/u``1 = -v/(-70)`v = -70 cm
`h_i = m × h_o`
`h_i = 1 × 2.0 = 2.0 cm
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how are electromagnetic waves produced? please just give me a straightforward answer i’m on the verge of losing my sanity please help if you give me a long paragraph if you do give me a long paragraph it’ll be your last answer you ever give
Answers
Answer:
Simply put, Electromagnetic waves are generated when a charged particle is Accelerated.
when a rifle fires at a distant target, where should the barrel be pointing?
Answers
When a rifle fires at a distant target, the barrel should be pointing straight towards the target.
This is because the barrel is the part of the rifle that the bullet travels through to reach the target. If the barrel is not pointing directly at the target, the bullet may not hit it.
Therefore, it is important to aim the barrel accurately when shooting a rifle at a distant target.
A rifle is a long gun designed to be fired from the shoulder, with a barrel that has spiral grooves (rifling) cut into the inside of the barrel wall that forces the bullet to rotate as it moves out of the barrel.
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The Gulf Stream has a cooling effect on the climate of nearby land areas. True or False
Answers
Answer:
true
Explanation:
A graph labeled velocity versus time with horizontal axis time (seconds) and vertical axis velocity (meters per second). A blue line runs straight across at 2 units on the vertical axis for all horizontal axis values.
Based on the graph of velocity over time, which could be the initial velocity and the final velocity for this graph?
initial = 0 m/s; final = 2.5 m/s
initial = 2.5 m/s; final = 2.5 m/s
initial = 3.0 m/s; final = 6.0 m/s
initial = 6.0m/s; final = 3.0 m/s
Answers
Answer:
B
Explanation:
If you dident pay for the no ad thing its okay all u have to do is answer one person's question every day befor you ask a question no ad's just answers you gotta do it every day tho
Answer:
Second option is correct.
The initial and the final velocity for the graph is
initial=2.5m/s; final=2.5m/s.
Explanation:
In given velocity time graph, the line is horizontal and parallel to the x-axis (time-axis).It means the body is moving at the constant velocity.Its acceleration is zero.Explain Velocity-Time graph?The graph plotted between velocity and time, is called velocity time graph.
by it acceleration can be find out.the area of the graph shows distance travelled.it can be plotted in all the quadrants because velocity is a vector quantity.Hence, second option is correct.
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Nasa’s orion spacecraft, which left earth last week, flew within 81 miles of the surface of which celestial body on monday?.
Answers
Nasa’s Orion spacecraft, which left earth last week, flew within 81 miles of the surface of the moon.
What is the Orion spacecraft mission?The NASA Artemis 1 mission uses the crewed spaceship Orion, which is largely reusable. On Monday, NASA's Orion spacecraft flew by the moon's far side, coming 81 miles from the surface. There are no people on board the spacecraft. A lunar landing is the goal of the third Artemis 1 mission, which will use the Orion spacecraft and a SpaceX vehicle. Orion's systems will be tested extensively during the spacecraft's six-day stay, giving mission commanders plenty of time to do so.One of the primary goals of the trip is to test that the Orion spacecraft functions as intended .Its goal is also to provide NASA the opportunity to make any necessary modifications and repairs before astronauts embark for the Artemis II mission, which won't launch until at least 2024.To learn more about Orion spacecraft, refer:
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An airplane flies with a constant speed of 560 miles per hour. How long will it take to travel a distance of 840 miles?
Answers
Answer:
t = 1.5 hours
Explanation:
Given that,
Speed of an airplane, v = 560 miles per hour
Distance, d = 840 miles
We need to find the time taken to cover a distance of 840 miles.
\(v=\drac{d}{t}\\\\t=\dfrac{d}{v}\\\\t=\dfrac{840}{560}\\\\t=1.5\ h\)
So, the required time is 1.5 hours.
what is the difference between distance and displacement? give an example of each.
Answers
Answer: Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
Explanation: hope it helps :)
early astronomers noticed that some stars in the sky appear to move together across the sky as constellations.how do astronomers today explain this motion?
Answers
The position of the stars relative to Earth changes throughout the year due to Earth's orbit around the Sun, causing the apparent motion of constellations to shift slightly over time.
Astronomers today explain the motion of constellations as being caused by the rotation of the Earth on its axis. As the Earth rotates, it gives the illusion that the stars in the sky are moving across the sky together as a group. This motion is known as apparent motion, as the stars themselves are actually stationary in space. Motion refers to the movement or displacement of an object or a system of objects with respect to a reference point or frame of reference. Motion is a fundamental concept in physics and is described by various parameters such as velocity, acceleration, and displacement.
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two children are playing on a see-saw. the see-saw is composed of a wooden board of mass 40 kg and of length 8 m and a pivot which is placed 0.5 m to the right of the center of the wooden board. the first child who has a mass of 29.3 kg sits at the right end of wooden board. the second child has a mass of 50 kg. what is the distance in meters from the left end of the wooden board that the second child must sit for the wooden board to be in static equilibrium?
Answers
The second child must sit at a distance of 1.96 m from the left end of the wooden board for the see-saw to be in static equilibrium.
To find the distance from the left end of the wooden board that the second child must sit for the see-saw to be in static equilibrium, we can use the principle of moments. The principle of moments states that the sum of the moments acting on a system in equilibrium is zero.
Let's assume that the second child sits at a distance x from the left end of the wooden board. The weight of the first child acts at a distance of 7.5 m (0.5 m to the right of the center) from the pivot, and the weight of the wooden board acts at a distance of 4 m from the pivot. The weight of the second child acts at a distance of (8 - x) m from the pivot. We can assume that the width of the wooden board is negligible compared to its length, so we can neglect any torques due to the width.
The moment due to the weight of the first child is:
\(M1 = 29.3 kg * 9.81 m/s^2 * 7.5 m\)
The moment due to the weight of the wooden board is:
\(M2 = 40 kg * 9.81 m/s^2 * 4 m\)
The moment due to the weight of the second child is:
\(M3 = 50 kg * 9.81 m/s^2 * (8 - x) m\)
For the see-saw to be in static equilibrium, the sum of these moments must be zero. Therefore, we have:
M1 + M2 - M3 = 0
Substituting the expressions for M1, M2, and M3, we get:
\(29.3 kg * 9.81 m/s^2 * 7.5 m + 40 kg * 9.81 m/s^2 * 4 m - 50 kg * 9.81 m/s^2 * (8 - x) m = 0\)
Simplifying and solving for x, we get:
x = 1.96 m
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. a proton is at rest at the plane boundary of a region containing a uniform vertical magnetic field. an alpha particle moving with velocity, v makes a head-on elastic collision with the proton. the mass of alpha particle is four times that of the proton. the charge of the alpha particle is twice that of the proton. immediately after the collision, both particles enter the region with the magnetic field. the alpha particle feels a magnetic force of 12 n while moving perpendicular to the direction of the magnetic field. find the magnetic force felt by the proton after the collision while moving perpendicular to the direction of the magnetic field?
Answers
According to Fleming's left-hand rule, the direction of the force is parallel to the directions of the magnetic field and current.
Here, the current is flowing upward while the magnetic field is to the right (opposite to the flow of electron). When a charge particle moves through the magnetic field, a force known as the magnetic force is exerted on the charge particle. The magnetic force acts perpendicular to the velocity at every time when a charged particle moves perpendicular to a uniform magnetic field, causing the particle to proceed on a circular path with a constant velocity v. As a result, although the direction of the velocity changes, its magnitude does not.
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