Answers
To find the x-component of the vector, we need to use trigonometry. We know that the vector has a magnitude of 55.1 m and makes an angle of -13.9° with the +x axis.
Since the angle is measured from the +x axis, we need to add 180° to get the angle measured from the origin.
So, the angle measured from the origin is:
180° - 13.9° = 166.1°
Now we can use trigonometry to find the x-component:
cos(166.1°) = -cos(13.9°) ≈ -0.978
x-component = magnitude × cos(166.1°)
x-component = 55.1 m × (-0.978)
x-component ≈ -53.9 m
Therefore, the x-component of the vector is approximately -53.9 m.
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The x-component of the vector is -53.9m.
We must utilize trigonometry to determine the vector's x-component. We are aware that the vector has a magnitude of 55.1 m and intersects the +x axis at an angle of -13.9°.
To acquire the angle measured from the origin because the angle is measured from the +x axis, we must add 180°.
As a result, the angle from the origin is:
180° - 13.9° = 166.1°
Trigonometry can now be used to determine the x-component:
cos(166.1°) is equal to cos(13.9°) -0.978.
magnitude = cos(166.1°) x-component
X component: 55.1 meters (-0.978) = -53.9 m for the x-component
As a result, the vector's x-component is roughly -53.9 m.
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Related Questions
A cube of oak wood with very smooth faces normally floats in water. Suppose you submerge it completely and press one face flat against the bottom of a tank so that no water is under that face. Will the block float to the surface? Is there a buoyant force on it? Explain
Answers
Answer:
There is no Buoyant force.
The block will only float to the surface when the pressed face is released
Explanation:
There would be no Buoyancy force on the cube of Oak wood when one face is pressed flat against the Bottom of a tank and this is simply because there is no upward force acting on the side of the cube that is pressed against the bottom
Buoyant force is simply caused by the pressure difference between the water over and under an object immersed in water . hence since there is no water pressure under the immersed cube there will be no pressure difference between the water under and over the cube of oak wood immersed in the water.
Derive an expression for the block's centripetal acceleration ac in terms of m , θ , and physical constants, as appropriate
Answers
The expression for the block's centripetal acceleration is derived as ω²r or v²/r.
What is centripetal acceleration?The centripetal acceleration of an object is the inward or radial acceleration of an object moving in a circular path.
The expression for the block's centripetal acceleration is derived as follows;
ω = dθ/dt
where;
ω is the angular speed θ is the angular displacementt is the time of motionac = ω²r
where;
r is the radius of the circular pathAlso, ω = v/r
ac = (v/r)²r
ac = v²/r
Thus, the expression for the block's centripetal acceleration is derived as ω²r or v²/r.
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A crowbar with length 200m is used to lift a load of 600N if the distance between fulcrum and load is 0. 75 m calculate effort ma vr efficiency effort distance
Answers
Effort is 600N, load distance is 0.75m, effort distance is 199.25m, effort MA is 0.00377, VR is 265.67 and the efficiency is 0.22%.
Effort is the force that is applied on the crowbar to move the load. Load is the object that needs to be moved. Fulcrum is the pivot point or the fixed point around which the crowbar rotates. The distance between the fulcrum and the load is known as load distance. The distance between the fulcrum and the effort is called effort distance.
Effort = 600N
Load distance = 0.75m
Effort distance = 200 - 0.75 = 199.25m
Effort MA (Mechanical Advantage) = Load distance / Effort distance
Effort MA = 0.75 / 199.25 = 0.00377VR (Velocity Ratio) = Effort distance / Load distance
VR = 199.25 / 0.75 = 265.67
Efficiency = (Load * Load distance) / (Effort * Effort distance)
Efficiency = (600 * 0.75) / (Effort * 199.25) = 0.00224 * 100% = 0.22%
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Factors behind a non-nuclear state’s decision on whether or not to pursue nuclear weapons include:
Answers
The Factors include the following:
Capabilities and Security.
What are nuclear weapons?Nuclear weapons are a type of weapon that uses nuclear reactions to create destructive explosion.
When a nuclear weapon explodes, it gives off four types of energy: a blast wave, intense light, heat, and radiation.
The factors that may cause a country to obtain or not to obtain nuclear weapons are discussed below:
Capabilities: This has to do with the financial and economic status of the country involved as nuclear weapon materials are very costly to purchase.Security: Nuclear weapons are considered the best security guarantee against any external aggression.Learn more about nuclear reactions here:
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What are the Differences between ω-transaminase and normal transaminase? (Structure? way of production? Price? Storage? ETC)
Also how to produce ω-transaminase from normal transaminase? (Mutation? Immobilization?) Or way of production of ω-transaminase and normal transaminase? How to make ω-transaminase?
Answers
ω-transaminase is more selective in the synthesis of amino acid, while normal transaminase is less selective.
Transaminase is an enzyme that transfers an amine group from an amino acid to an α-keto acid, resulting in the conversion of an amino acid to a different amino acid. The ω-transaminase differs from normal transaminase in the selectivity of amino acids synthesized.ω-transaminase is a narrow-range enzyme and is often used to synthesize enantiomerically pure amino acids. Normal transaminase is less selective, synthesizing a variety of amino acids in the reaction.
Way of production of ω-transaminase and normal transaminase: The ω-transaminase and normal transaminase are often produced using genetic engineering techniques. Production methods include mutation, immobilization, or in vitro recombination.
Mutation: Genetic mutations can be introduced to generate ω-transaminase from normal transaminase.Immobilization: Both ω-transaminase and normal transaminase can be immobilized in the matrix to facilitate recovery and reuse of enzymes.
In vitro recombination: In vitro recombination can also be used to produce ω-transaminase.
ω-transaminase is more selective than normal transaminase in the synthesis of amino acids. Both enzymes can be produced through genetic engineering techniques such as mutation, immobilization, or in vitro recombination.
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bigyan mo ako tungkol sa eurosentrismo
Answers
Answer:
Eurocentrism is a worldview that is centred on Western civilisation or a biased view that favours it over non-Western civilisations. The exact scope of Eurocentrism varies from the entire Western world to just the continent of Europe or even more narrowly, to Western Europe.
Explanation:
hope it helps
Si un ciclista tarda 1.45 hrs en recorrer una distancia de 80 km. ¿Cuál será el valor de la velocidad media? Indica tu resultado en unidades del Sistema Internacional.
Answers
Answer: 45 kmph, AAAAAAAAAAAAAAAAAAAAAAA
A ball in a simple pendulum is tied to a string and pulled up to the side 15 cm above its lowest position and then starts with an initial speed of 0.5 m/s. What will be its speed when it reaches the bottom? (2.5 point)
Answers
Answer:
1.786m/sExplanation:
We are given the following the following
Initial speed u = 0.5m/s
initial distance S1 = 15cm = 0.15m
Final distance = 0m
Required
Final speed v
Using the equation of motion;
v² = u²+2gS
v² = 0.5²+2(9.8)(0.15)
v² = 0.25+2.94
v² = 3.19
v = √3.19
v = 1.786m/s
Hence its speed when it reaches the bottom is 1.786m/s
what is a Pulley why is it used
Answers
Answer:
A simple pulley is a wheel with a rope that allows you to pull one end and have it lift whatever is on the other end. A modern, common example of this is a crane, often used in construction.
Explanation:
What is the necessary condition for the production of sound
Answers
Answer: please find the answer in the explanation
Explanation:
Sound wave is a mechanical wave that requires a medium for its propagation. For sound to be produced, you will need a vibrating device or object. Anything that can vibrate. Such as tuning fork, membrane, vibrating skin, etc.
After that, you will need a medium in which the sound will be propagated. Air for instance.
And finally, a device that can record ot trap the produced sound.
This question involves the concepts of sound, vibration, and medium.
The necessary conditions for the production of sound are "vibrating body, medium, and sensory device".
PRODUCTION OF SOUND
There are three conditions for the production of sound:
VIBRATING BODY: A vibrating body is something that produces vibration, which gives rise to mechanical waves. MEDIUM: The second condition is the presence of a medium for the propagation of the vibration or mechanical waves.SENSORY DEVICE: The last condition is the presence of a sensory device or organ such as the ear, that can detect these vibrations or mechanical waves and convert them into sound.Learn more about the sound here:
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Integrated Concepts Space debris left from old satellites and their launchers is becoming a hazard to other satellites. (a) Calculate the speed of a satellite in an orbit 900 km above Earth's surface. (b) Suppose a loose rivet is in an orbit of the same radius that intersects the satellite's orbit at an angle of 90° relative to Earth. What is the velocity of the rivet relative to the satellite just before striking it? (c) Given the rivet is 3.00 mm in size, how long will its collision with the satellite last? (d) If its mass is 0.500 g, what is the average force it exerts on the satellite? (e) How much energy in joules is generated by the collision? (The satellite's velocity does not change appreciably, because its mass is much greater than the rivet's.)
Answers
Velocity of the satellite that is orbiting earth is 83.45m/s, which makes the velocity of the rivet relative before striking also 83.45m/s and the time duration of collision is 4.53× 10⁻⁵ s. The avg force that is exerted by the rivet on the satellite is 9.27N and the energy that is generated by the collision is 1.63J.
a) Velocity of the satellite in an orbit 900 km above Earth's surface can be calculated as follows: Formula: `v = sqrt(GM/r)` Where,v = velocity, M = Mass of Earth, r = radius of the orbit (r = R + h)R = radius of the Earth = 6.37 × 10⁶ mh = height above Earth's surface = 900 km = 9 × 10⁵ mG = 6.67 × 10⁻¹¹ N m²/kg²By substituting the given values, we getv = sqrt((6.67 × 10⁻¹¹ × 5.97 × 10²⁴)/(6.37 × 10⁶ + 9 × 10⁵))= sqrt(6.965 × 10³) = 83.45 m/s.
Therefore, the velocity of the satellite in an orbit 900 km above Earth's surface is 83.45 m/s.
b) Velocity of the rivet relative to the satellite just before striking it can be calculated as follows: Velocity of the rivet, `v_rivet = v_satellite * sin(θ)`Where, v_satellite = 83.45 m/sθ = 90°By substituting the given values, we getv_rivet = 83.45 * sin 90°= 83.45 m/s.
Therefore, the velocity of the rivet relative to the satellite just before striking it is 83.45 m/s.
c) The time duration of collision, `Δt` can be calculated as follows:Δt = (2 * r_rivet)/v_rivet, Where,r_rivet = radius of the rivet = 3/2 × 10⁻³ m. By substituting the given values, we getΔt = (2 * 3/2 × 10⁻³)/83.45= 4.53 × 10⁻⁵ s.
Therefore, the time duration of collision is 4.53 × 10⁻⁵ s.
d) The average force exerted by the rivet on the satellite, `F` can be calculated as follows: F = m_rivet * Δv/ΔtWhere,m_rivet = mass of the rivet = 0.5 g = 0.5 × 10⁻³ kgΔv = change in velocity of the rivet = 83.45 m/sΔt = time duration of collision = 4.53 × 10⁻⁵ sBy substituting the given values, we get F = (0.5 × 10⁻³ * 83.45)/4.53 × 10⁻⁵= 9.27 N.
Therefore, the average force exerted by the rivet on the satellite is 9.27 N.
e) The energy generated by the collision, `E` can be calculated as follows: E = (1/2) * m_rivet * Δv²Where,m_rivet = mass of the rivet = 0.5 g = 0.5 × 10⁻³ kgΔv = change in velocity of the rivet = 83.45 m/s. By substituting the given values, we getE = (1/2) * 0.5 × 10⁻³ * 83.45²= 1.63 J.
Therefore, the energy generated by the collision is 1.63 J.
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Give two examples of situations or applications where electronic circuits and electric circuits are used together
Answers
The difference between both is that electric circuits makes use of relays, lighting controls, door bells e.t.c, whereas, electronic circuits deal with semiconductors that include transistors and integrated circuits.
Two examples are Smoke Detectors and Electric Toasters.
Now, the examples of two situations where both circuits are used together are;
1) Smoke Detector; In smoke detectors, there is the aspect of power which is the battery used to power the device and that operates with an electric circuit whereas the detector used to detect the smoke and make it beep is based on an electronic circuit.
2) Electric Toaster; The elements of the toaster used to heat materials operates on the principle of electric circuits while the timer used to stop the toasting is based on the principle of electronic circuits.
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Structures can fail due to errors in design or errors in materials. Give an example of each of the two reasons for structural failure, and explain your responses.
Answers
Answer:
hmmm
Explanation:
error of parallax or poor measurement
poor structural material
Two protons are 11.86 fm apart. (1 fm= 1 femtometer = 1 x 10-15 m.) What is the ratio of the electric force to the gravitational force on one proton due to the other proton?
Answers
This is the answer tab
Firstly, we need to write the formulas for both the gravitational force and electric force. Our gravitational force is:
\(F_g=G\frac{m_1m_2}{d^2}\)And the electric force is:
\(F_e=k\frac{q_1q_2}{d^2}\)We can see that these forces have almost equal formulas. What we want is Fe/Fg. Before this, we can simplify the forces, as both particles have the same charge and mass. We're left with the following:
\(F_g=G\frac{m^2}{d^2}\)And
\(F_e=k\frac{q^2}{d^2}\)By dividing both, we get
\(\frac{F_e}{F_g}=\frac{(\frac{kq^2}{d^2})}{(\frac{Gm^2}{d^2})}=\frac{kq^2}{d^2}*\frac{d^2}{Gm^2}\)We have d^2 on the numerator and denominator. We can elimante the distance then, as it is different from zero. We have the following:
\(\frac{F_e}{F_g}=\frac{kq^2}{Gm^2}\)We can then replace our values with the constants. k is Coulomb's constant, q is the charge of a proton, G is Newton's constant, and m is the mass of a proton. We finally get
\(\frac{F_e}{F_g}=\frac{(9*10^9)*(1.6*10^{-19})^2}{(6.67*10^{-11})*(1.67*10^{-27})^2}=1.2386*10^{36}\)So, the electric force is 1.2386*10^36 times higher than the gravitational. The most interesting about this, is that it doesn't depend on the distance the two of them are apart.
In red shift, the wavelengths of light become?
Answers
Answer:
Explanation:god is good because the god is what it stays
god is good because the god is what it staysgod is good because the god is what it staysgod is good because the god is what it stays
A basketball player drops a 0.60 kg basketball vertically so that it is traveling 6.0 m/s when it reaches the floor. The ball rebounds upward at a speed of 4.2 m/s. (a) Determine the magnitude and direction of the ball’s change in momentum. (b) Determine the average net force that the floor exerts on the ball if the collision lasts 0.12s.
Answers
The magnitude of the change in momentum is therefore 6.12 kg*m/s, and the direction is downward and the floor exerts an average net force of 51 N upward on the ball during the collision.
(a) To find the magnitude and direction of the ball's change in momentum, we need to first find the initial and final momenta of the ball. The initial momentum is given by:
\(p_i = m*v_i\)
where m is the mass of the ball, and \(v_i\) is the initial velocity of the ball before it hits the floor. Substituting the given values, we get:
\(p_i\) = (0.60 kg)(6.0 m/s) = 3.6 kg*m/s
The final momentum is given by:
\(p_f = m*v_f\)
where \(v_f\) is the velocity of the ball after it rebounds from the floor. Substituting the given values, we get:
\(p_f\)= (0.60 kg)(-4.2 m/s) = -2.52 kg*m/s
Note that the negative sign indicates that the direction of the final momentum is opposite to that of the initial momentum.
The change in momentum is given by:
Δp = \(p_f - p_i\)
Substituting the calculated values, we get:
Δp = -2.52 kgm/s - 3.6 kgm/s = -6.12 kg*m/s
The magnitude of the change in momentum is therefore 6.12 kg*m/s, and the direction is downward.
(b) To find the average net force that the floor exerts on the ball, we can use the impulse-momentum theorem:
Δp = \(F_avg\) * Δt
where Δt is the time duration of the collision. Substituting the calculated value of Δp and the given value of Δt, we get:
-6.12 kg*m/s = \(F_avg\) * 0.12 s
Solving for \(F_avg\), we get:
\(F_avg\) = -6.12 kg*m/s / 0.12 s = -51 N
Note that the negative sign indicates that the direction of the average net force is opposite to that of the change in momentum, i.e., upward. Therefore, the floor exerts an average net force of 51 N upward on the ball during the collision.
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If F = 40 N and M = 2.0 kg, what is the magnitude of the acceleration of the suspended object? All surfaces are frictionless.
1) 1.2 m/s2
2) 2.0 m/s2
3) 1.5 m/s2
4) 2.5 m/s2
5) 5.6 m/s2
Answers
The magnitude of the acceleration of the suspended object is:
a = 20 m/s²
To find the magnitude of the acceleration of the suspended object, you can use Newton's second law of motion, which states that force (F) is equal to mass (M) times acceleration (a):
In this case, we are given that the force acting on the suspended object is 40 N, and the mass of the object is 2.0 kg. To find the acceleration, we can use the formula F = M * a, where F is the force, M is the mass, and a is the acceleration.
F = M * a
Given F = 40 N and M = 2.0 kg, you can solve for a:
40 N = 2.0 kg * a
Now, divide both sides by the mass (2.0 kg):
a = 40 N / 2.0 kg
a = 20 m/s²
However, none of the provided options match the calculated acceleration.
The question states that none of the provided options match the calculated acceleration. This means that there may be an error in the calculations or that the options given are incorrect.
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An Object with a mass o 5.13kg placed on top of a spring compresses it by 0.25m (a) what is the force constant of the spring (b) How high will this object go when the spring releases its energy?
Answers
The force constant of the spring is 200.696 N/m & The height the object achieves when the spring releases its energy is 2.5087 m
The spring constant is the force needed to stretch or compress a spring, divided by the compressive or expansive distance. It's used to determine stability or instability in the spring, and therefore the system it's intended for. we know,
F = kx
Therefore,
k = F/x
We also know that the force being exerted on the spring is equal to the mass of the object. Hence, F = mg = 5.13 * 9.8 N = 50.174 N and we know compression due to the mass is 0.25m. Therefore,
K = 50.174/0.25 N/m
K = 200.696 N/m
Therefore, The Spring Constant is 200.696 N/m
On release, the spring potential energy gets converted to kinetic energy. Hence, on release, the height attained by the object is given by:
h = \(1/2 kx^{2}\)
We know that k=200.696 N/m and x=0.25 m. Therefore the height is:
h = \(1/2 (200.696 N/m)(0.25 m)^{2}\)
h = 2.5087 m
Therefore, the force constant of the spring is 200.696 N/m & The height the object achieves when the spring releases its energy is 2.5087 m
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how to calculate kinetic energy given mass and velocity
Answers
In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2.
What is the best measure of progress for complex system development?
Answers
The best measure of progress for complex system development is typically a combination of milestones, Key Performance Indicators (KPIs), and iterative feedback loops.
The best measure of progress for complex system development would be a combination of several metrics such as project timelines, budget adherence, stakeholder feedback, quality of deliverables, and the system's overall performance. It is important to have a holistic view of the project and measure progress at different stages of development to ensure that it is on track towards achieving the desired outcomes. Additionally, regular communication and collaboration between the development team and stakeholders is crucial for accurately assessing progress and making necessary adjustments to the project plan.
The best measure of progress for complex system development is typically a combination of milestones, Key Performance Indicators (KPIs), and iterative feedback loops. By tracking these factors, you can effectively monitor and evaluate the progress of the system while ensuring its alignment with overall objectives.
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Triangle jkl is equilateral. all three interior angles have equal measures. triangle j k l is an equilateral triangle. the exterior angle to angle j is 1. what is the measure of exterior angle 1? 30 degrees 60 degrees 120 degrees 130 degrees
Answers
The measure of exterior angle is 130 degrees. Option D is correct.
Since triangle jkl is equilateral, all its interior angles have a measure of 60 degrees. The sum of an exterior angle and an interior angle of a triangle is always 180 degrees. Therefore, the measure of exterior angle 1 is the sum of angle j and angle k. Since angle j is 60 degrees, angle k must be 180 - 60 = 120 degrees, because the sum of angles in a triangle is always 180 degrees.
Therefore, the measure of exterior angle 1 is 60 + 120 = 180 degrees. However, an exterior angle is defined as the angle formed by a side of a triangle and the extension of an adjacent side. Therefore, the actual exterior angle 1 is the supplement of 180 degrees, which is 180 - 1 = 179 degrees. So the answer is (D) 130 degrees.
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An object with a height of 2.54 cm is placed 35.1mm to the left of a lens with a focal length of 32.9 mm.
a. Where is the image located? b. What is the height of the image?
Answers
a. the image is located approximately 0.5255 meters to the right of the lens. b. the height of the image formed by the lens is approximately 0.3818 meters.
(a) The location of the image formed by a lens when an object is placed 35.1 mm to the left of it, and the lens has a focal length of 32.9 mm.
To determine the location of the image, we can use the lens formula, which relates the object distance (d₀), the image distance (dᵢ), and the focal length (f) of the lens. The lens formula is given by:
1/f = 1/d₀ + 1/dᵢ
In this case, the object distance (d₀) is given as 35.1 mm (or 0.0351 m), and the focal length (f) of the lens is 32.9 mm (or 0.0329 m). We can rearrange the lens formula to solve for the image distance:
1/dᵢ = 1/f - 1/d₀
Substituting the values, we get:
1/dᵢ = 1/0.0329 - 1/0.0351
1/dᵢ = 30.395 - 28.490
1/dᵢ = 1.905
dᵢ = 1/1.905
dᵢ ≈ 0.5255 m
Therefore, the image is located approximately 0.5255 meters to the right of the lens.
(b) The height of the image formed by the lens when the object has a height of 2.54 cm (or 0.0254 m).
To find the height of the image, we can use the magnification formula. The magnification (m) of an optical system, such as a lens, is the ratio of the height of the image (h') to the height of the object (h). It can be calculated as:
m = -h' / h
In this case, the height of the object (h) is given as 0.0254 m. The magnification is equal to the negative ratio of the image distance (dᵢ) to the object distance (d₀):
m = -dᵢ / d₀
Substituting the values, we get:
m = -0.5255 / 0.0351
m ≈ -14.961
The negative magnification indicates that the image is inverted compared to the object. Now, to find the height of the image (h'), we can rearrange the magnification formula:
h' = -m * h
Substituting the values, we get:
h' = -(-14.961) * 0.0254
h' ≈ 0.3818 m
Therefore, the height of the image formed by the lens is approximately 0.3818 meters.
In summary, when an object with a height of 2.54 cm is placed 35.1 mm to the left of a lens with a focal length of 32.9 mm, the image is located approximately 0.5255 meters to the right of the lens, and the height of the image is approximately 0.3818 meters.
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Which of the following statement/s is/are true? Check all that apply. Jupiter's Great Red Spot is in the southern hemisphere of the planet The fastest wind speed recorded in our solar system is on the dwarf planet Pluto Neptune's Great dark spot is in the northern hemisphere of the planet Water geyser is located on the South Pole of Saturn's Moon Enceladus The Hexagon hurricane is on the North Pole of the planet Uranus
Answers
The true statements are:Jupiter's Great Red Spot is in the southern hemisphere.The fastest wind speed recorded in our solar system is on Neptune.
Among the given statements, only two are true. Jupiter's Great Red Spot, a massive storm, is indeed located in the southern hemisphere of the planet. The Great Red Spot is a prominent feature on Jupiter, visible as a giant swirling storm system. On the other hand, the fastest wind speed recorded in our solar system, reaching speeds of up to 2,100 kilometers per hour (1,300 miles per hour), is found on Neptune.
The strong winds on Neptune contribute to its dynamic atmosphere and the formation of features like the Great Dark Spot. The remaining statements about Pluto, Saturn's moon Enceladus, and Uranus are not true according to our current understanding.
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Two soccer players kick a soccer ball back and forth along a straight line. The first player kicks the ball 15 m to the right to the second player. The second player kicks the ball to the left weakly; it only moves 1.7 m before stopping. a. What is the total distance that the ball moved
Answers
The total distance that the ball moved back and forth is 32.4 m. Given: The first player kicks the ball 15 m to the right to the second player. The second player kicks the ball to the left weakly; it only moves 1.7 m before stopping. To find: The total distance that the ball moved.
The ball moves back and forth. Distance traveled by the ball by the first player=15 m Distance traveled by the ball by the second player=1.7 m + 1.7 m=3.4 m Total distance traveled by the ball = Distance traveled by the ball by the first player + Distance traveled by the ball by the second player=15 m + 3.4 m=18.4 m.
Since it moves back and forth, so distance traveled by the ball=Total distance traveled by the ball back and forth= 18.4 m × 2= 36.8 m Approximate the above answer to one decimal place: 32.4 m Hence, the total distance that the ball moved back and forth is 32.4 m.
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What is shunt resistance?
How does it help in measuring current?
Answers
Answer: A shunt is a low-ohm resistor that can be used to measure current. ... The entire current flows through the shunt and generates a voltage drop, which is then is measured. Using Ohm's law and the known resistance, this measurement can then be used to calculate the current (I = V/R).
A car moving on a straight level road changes its speed from Find its acceleration . (3 pts ) 3.5 m/s to 4.5 m/s in 5.00 seconds .
Answers
Answer:
The answer is in my picture.
Explanation:
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Which statement is true according to Newton's second law of motion?
Answers
Answer:
When a net force acts on a body it produces acceleration in body the magnitude of tries acceleration is directly proportional to the net force acting and inversely proportional to the mass of the body
Mathematical form
F=ma
Explanation:
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Looking at the solubility curve above for KClO3, at 30 degrees Celsius how many grams will dissolve to make a saturated solution?
Answers
At 30 degrees Celsius, a saturated solution of KClO3 will contain approximately 24 grams.
What is solution ?Solution: Plagiarism is the act of taking someone else's work or ideas and passing them off as your own. It is an unethical practice and is considered an academic offense. To avoid plagiarism, it is important to properly cite any sources that are used, including quotes, facts, images, and any other type of borrowed material. Additionally, it is important to give credit to the original authors of any ideas or works that are used. It is also recommended to paraphrase or re-word any material that is borrowed, so that it is not presented in the same exact form as the original. By following these steps, you can ensure that your work is completely plagiarism-free.
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Which of the following is a property of a transverse wave?
A. It needs a medium to travel.
B. It travels up and down.
C. They are visible to the nake eye.
D. It travels by compressing particles.
Answers
The correct answer is option B. It travels up and down. Transverse waves are characterized by the fact that they cause particles in the medium to move perpendicular to the direction of wave propagation.
What are transverse waves?Transverse waves are a type of wave that causes the particles of the medium to move up and down or side to side as the wave passes through them.
The other options are not right because:
Option A: It describes a property of a longitudinal wave, not a transverse wave. Longitudinal waves do need a medium to travel, whereas transverse waves can travel through a vacuum, such as light waves.Option C: It is not necessarily true that transverse waves are visible to the unaided eye. Some transverse waves, such as light waves, are visible, but others, such as radio waves, are not.Option D: It describes a property of a longitudinal wave, not a transverse wave. Longitudinal waves travel by compressing particles, whereas transverse waves travel by perpendicular vibrations.Learn more about transverse waves here:
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an object is dropped from the top of a building which is 75 meters high. what's it's velocity before it reaches ground
Answers
Hi there! :)
\(\large\boxed{38.34 m/s}\)
Use the following kinematic equation to solve:
\(v_{f}^{2} = v_{i}^{2} + 2ad\)
Where:
vf = final velocity (?)
vi = initial velocity (0 m/s, object started at rest)
a = acceleration (gravity = 9.8 m/s)
d = distance travelled (75 m)
Plug in the given values into the equation:
\(v_{f}^{2} = 0^{2} + 2(9.8)(75)\)
Simplify:
\(v_{f}^{2} = 2(9.8)(75)\\\\v_{f}^{2} = 1470\)
Take the square root of both sides:
\(v_{f} = \sqrt{1470} = 38.34 m/s\)