a. Based on given data, the spring compresses 0.1 meters. The spring constant is 25.0 N/m.
b. Unknowns: m, is the mass of the ice cube, d, the maximum distance along the slope that the ice cube travels.
Part A: The ice cube has a mass of 50.0 grams and slides up and down a 25.0 degree slope without friction. When the ice cube is pressed against a spring at the bottom of the slope, the spring compresses 0.1 meters. The spring constant is 25.0 N/m.
Part B: Unknowns: m, the mass of the ice cube
k, the spring constant
x, the distance the spring compresses
h, the present maximum height (that is measured vertically among the base for the slope) that make the ice cube reaches to it.
d, the maximum distance along the slope that the ice cube travels
?, is any slope's for the angle of incline that is measured with the horizontal line.
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What is an example of a wave that is not mechanical and how is it different?
Answer:
light is an example of a wave that is not mechanical .
it is different as it does not need material medium for its propagation
A 1,725 kg car accelerates from 3.0 m/s for 4.4 s and reaches a velocity of 12.0 m/s. Ignoring friction, what is the applied force from the engine?
Given:
The mass of the car is m = 1725 kg
The initial velocity of the car is
\(v_i=\text{ 3 m/s}\)The final velocity of the car is
\(v_f=\text{ 12 m/s}\)The time is t = 4.4 s
To find the applied force.
Explanation:
The force can be calculated by the formula
\(F=\text{ ma}\)Here, a is the acceleration.
The acceleration can be calculated as
\(\begin{gathered} a=\frac{v_f-v_i}{t} \\ =\frac{12-3}{4.4} \\ =2.045\text{ m/s}^2 \end{gathered}\)On substituting the values, the force applied will be
\(\begin{gathered} F=ma \\ =1725\times2.045 \\ =3527.625\text{ N} \end{gathered}\)Thus, the applied force is 3527.625 N
A calculator is rated at 0.37 W when con-
nected to 2.60 V battery.
What is the resistance of this device?
Answer:
18.6 Ω
Explanation:
Resistance = \(\frac{Voltage}{Current}\)
But first we have to find the current.
Current = \(\frac{Power}{Voltage}\)
Power = 0.37W
Voltage = 2.60V
∴ Current = \(\frac{0.37}{2.60}\)
= 0.14 ( 3 significant figures)
Now we can find the resistance.
Resistance = \(\frac{2.60}{0.14}\)
= 18.6 Ω ( 3 significant figures)
28.2 km equal how many meters
Answer:exactly 28200 meters
Explanation:
The highest barrier that a projectile can clear is 11.8 m, when the projectile is launched at an angle of 23.0
∘
above the horizontal. What is the projectile's launch speed? Number Units
The projectile's launch speed is approximately 14.9 m/s when the highest barrier it can clear is 11.8 m at an angle of 23.0° above the horizontal.
Given, Barrier that a projectile can clear, h = 11.8 m, Angle made by the projectile with horizontal, θ = 23.0°, Kinematic equation used to find the launch speed of the projectile when it is launched at an angle above the horizontal is:
v² = u² + 2gh where u = initial velocity of the projectile, v = final velocity of the projectile after attaining a height h above the ground, g = acceleration due to gravity, h = height attained by the projectile above the ground
According to the problem, the projectile attains a maximum height of 11.8 m above the ground.
Therefore, using the above kinematic equation, we can write,0 = u² + 2gh => u² = -2gh
Putting the values of h and θ in the above equation, we get
u = √(2gh)
= √(2 * 9.8 * 11.8 * sin²23.0)
≈ 14.9 m/s
Therefore, the launch speed of the projectile is approximately 14.9 m/s.
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Explain why pumice floats and why ironwood sinks
Answer:
A quick way of describing density is to describe an object as heavy or light for its size. Pumice stone, unlike regular rock, does not sink in water because it has a low density. An ironwood branch is very dense and sinks in water.
Hope that helps. x
Answer:
Pumice is trapped in gas when the temperature is warm, but as the temp drops, it becomes dense, due to air bubbles. Iron wood is denser than water, thus making it sink.
Explanation:
A doctor measures the temperature of a patient
to be 101°F. What is this temperature in kelvins?
(A) 38.3 K
73.8 K
311 K
(C)
214 K
(E) 346 K
(B)
(D)
-please help I’m too lazy to do the math
Answer: 311.483
Explanation:
(101°F − 32) × 5/9 + 273.15 = 311.483K
the law of conservation of energy cannot be created nor destroyed, it can only change form. if this is the case, why are we worried about energy sources in our world?
Energy cannot be generated or destroyed; it can only be changed from one form of energy to another, according to the rule of conservation of energy. This implies that a system always possesses the same amount of energy, barring external energy addition.
In the event that energy cannot be generated or destroyed, why is there a crisis?According to the rule of conservation of energy, energy cannot be generated or destroyed. It can only be changed from one form to another, though. It is simply changed from a form that we can use to one that is less useful. Energy problem as a result of this
Energy efficiency is necessary to save expenses and extend the life of the resources.
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WRITE A PARAGRAPH ABOUT PRESSURE
Answer:
pressure is a horrible thing to go through, it can lead to many bad side effects, like burn out and it can also lead to high blood pressure, head aches, heart problems, depression, anxiety, and many more damaging effects. Pressure can destroy someones mental health if not dealed worth properly
I hope this is okay! I'm not sure what pressure you meant
The Earth has a radius of about 6,000 km. How long would it take for an object traveling at the speed of light to circle the earth
It would take an object traveling at the speed of light only about 0.125 seconds to complete one full revolution around the Earth.
At the speed of light, which is approximately 299,792 kilometers per second, an object would travel around the Earth's circumference in a fraction of a second.
The Earth's circumference is approximately 2π times its radius, which is roughly 37,700 kilometers.
To calculate the time it would take for an object to circle the Earth, we divide the distance by the speed of light: 37,700 kilometers / 299,792 kilometers per second. The result is approximately 0.125 seconds.
Therefore, it would take an object traveling at the speed of light only about 0.125 seconds to complete one full revolution around the Earth. This incredibly short time is a testament to the immense speed of light.
However, it is important to note that this calculation assumes a perfect circular orbit around the Earth's equator without accounting for the Earth's rotation or gravitational effects, which can introduce additional complexities in reality.
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The time T in seconds for a pendulum of length L feet to make one swing is given by Upper T=2\pi \sqrt((L)/(36)). How long is a pendulum (to nearest hundredth) if it makes one swing in 2.1 seconds? Use 3.14 for \pi .
Answer:
3.6ft
Explanation:
Using= 2*π*sqrt(L/32)
To solve for L, first move 2*n over:
T/(2*π) = sqrt(L/32)
Next,eliminate the square root by squaring both sides
(T/(2*π))2 = L/32
or
T2/(4π2) = L/32
Lastly, multiply both sides by 32 to yield:
32T2/(4π2) = L
and simplify:
8T²/π²= L
Hence, L(T) = 8T²/π²
But T = 2.1
Pi= 3.14
8(2.1)²/3.14²
35.28/9.85
= 3.6feet
Which of the following is most characteristic of foragers?
____ A. unilineal descent and ancestor worship
____ B. territoriality and organized warfare
____ C. high mobility and small groups with flexible affiliation
____ D. a redistributive economy and specialized leadership roles
____ E. permanent villages and full-time priests
Answer: C. high mobility and small groups with flexible affiliation
Explanation: Foragers are nomadic people who move frequently to find food and resources, and their social organization is typically based on small, flexible groups rather than fixed communities.
- Lizzy ˚ʚ♡ɞ˚
A car of mass of 1200 kg is driven around a corner of a radius of 45m at 15 ms-1
.
(a) Calculate the acceleration of the car.
(b) Calculate the centripetal force acting on the car.
(c) Explain how the centripetal force is being produced.
Explanation:
w = v/r
= 15/ 45 = 1/3 rads-¹
a = w²r
= 1/9 • 45 = 5 ms-²
F = mv²/r
= 1200• 15• 15/45
= 6000N
The car, when rounding the curve, is pulled towards the center by the friction between it's wheels and the road.
(a) what is the period of small oscillations for this pendulum if it is located in an elevator accelerating upward at 9.00 m/s2?
If this pendulum is situated in an elevator that is moving upward at a speed of 9.00 m/s2, the period of its minor oscillations is 4.34s.
One oscillation is it a period?Period is equal to the length of one oscillation.
T. T . The frequency is the number of oscillations that occur in one second.
Short answer: How long does a pendulum swing?A simple pendulum's period is: The symbol "T" stands for the period of time needed by the pendulum to complete one complete oscillation. The length of a basic pendulum: It is described as the distance the pendulum moves away from equilibrium and toward one side.
Since the elevator's oscillations for this pendulum are situated there and it is climbing at a 9.0 mph,
use G = 9.8 + 9.0 = 18.8 m/s²
Period T=2π√(L/G)
T= 2π√(9/18.8)
T=4.34s
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Ram and Hari both are good Swimmer and can Swim with same speed in still water, they set off across the river at the same time. Ram moves straight across and Hari is pulled downstream by the current somewhat. Hari head upstream at angle so as to arrive at a point directly opposite to straight point. Who will cross the river first?
Comment.
As per the given scenario, Ram will cross the river first.
Ram chooses the quickest route and crosses the river without turning. Ram and Hari can both swim in still water at the same speed, hence their respective speeds when crossing the river will be equivalent. Ram will be able to get to the opposing bank the fastest as a result.
Hari, on the other hand, is swimming upstream at an angle and is being dragged downstream by the water.
Hari's overall travel distance will increase due to the downstream current, however his effective speed will drop in comparison to the other bank. Hari will therefore take longer than Ram to get to the opposing bank.
Thus, Ram will cross the river first in this scenario.
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The length of a certain wire is kept same while its radius is doubled. What is the new resistance of this wire
Answer:
R = K L / A resistance proportional to length and inversely proportional
to area
R2 / R1 = A1 / A2 = A1 / (4 A1) = 1 / 4
R2 = R1! / 4
Convert 1.5 days to s
Convert 5.2 ft to m
Convert 3600 s to hr
Convert 10.2 m to ft
Convert 305 g to kg
Convert 180 pm to m
Convert 73 kg to g
Convert 1,366 s to min
Convert 86,000 m to km
Please answer these and SHOW ALL WORK, please please please show ALL WORK. Need this done right now please help! Thank you so much!
Although this computation is essentially based on a mathematical formalism or equation that integrates components, conversion factors are frequently employed to convert one type of measure into another.
A chemical equation is what?The term "chemical equation" is frequently used in everyday chemistry. French chemist Jean Beguin established the first empirical formula in 1615. A chemical equation merely refers to a premise of a molecular reaction's process using symbols and figures.
1.5 days = 129600 second
5.2 ft = 1.58496 meters
3600 s = 1 hour
10.2 m = 33 ft 5.57 in
305 g = 0.305 Kg
180 pm = 0.00000000018 m
73 kg = 73000 g
1,366 s = 22.76666667 min
86,000 m= 86 km
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when view are drawn accurately to scale, they can be dimensioned fully to provide detailed information about the object
The statement is correct. When views are drawn accurately to scale in technical drawings, they can be dimensioned fully to provide detailed information about the object.
Dimensions in technical drawings specify the size, shape, and position of the object's features, such as length, width, height, diameter, angles, and distances between different elements. By including precise dimensions, the drawing conveys essential information for manufacturing, construction, or any other application where accurate representation and measurement of the object are necessary.
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In a river, a trout passed beneath a woman who was swimming at 1,800 centimeters per minute. The trout swam 7,200 centimeters directly upstream at a constant velocity. It swam that distance in 1.6 minutes. What was the trout's velocity?
Write your answer as a whole number.
centimeters per minute upstream
Answer:
4,500 cm per minute
Explanation:
Use the triangle of speed, distance, and time for reference.
You need the speed, so:
\(s=\frac{d}{t}=\frac{7200}{96} =75\)
We change minutes to seconds to make it a round number
Then we just multiply, 75 times 60, because there are 60 seconds in one minute. We get 4,500 cm/m.
An unstable nucleus undergoes gamma decay. How does the nucleus change? (1 point)
o it becomes less stable by repositioning its particles.
O It becomes less stable by emitting energy and particles.
It becomes more stable by emitting energy and particles.
It becomes more stable by repositioning its particles
Answer:
It becomes more stable by repositioning its particles and as a result, emits radiation in the process.
Explanation:
Answer: it becomes less stable by repositioning its particles.
Explanation:
It becomes less stable by emitting energy and particles.
Examples
A Spiral Spring is compressed by 0.0am. Calculate the
energy stored in
ed in the Spring
Spring, ift
ng, if the force Constant is toor
solution
A spiral spring is compressed by 0.5 cm. The energy stored in the spring can be calculated using the formula \(E=1/2*k*x^2\). Given that the force constant is 200 N/m, we can calculate the energy stored in the spring to be 0.00025 J.
A spiral spring is compressed by 0.5 cm. Calculate the energy stored in the spring if the force constant is 200 N/m.The energy stored in the spring can be calculated using the formula: \(E=1/2*k*x^2\), where E is the energy stored, k is the force constant, and x is the displacement of the spring from its equilibrium position. Given that the spring is compressed by 0.5 cm, which is 0.005 m, and the force constant is 200 N/m, we can calculate the energy stored in the spring as follows: \(E = 1/2 * 200 N/m * (0.005 m)^2\) E = 0.00025 JTherefore, the energy stored in the spring is 0.00025 J. This means that when the spring is released, it will convert this energy into kinetic energy as it returns to its equilibrium position.For more questions on spring
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A particle moves on a trajectory y=x^4-x^2 with the velocity component in the direction of the axis x, constant and equal to 2 m/^2.Find the tangential acceleration and the normal acceleration at the point (2, 12).
To find the tangential and normal accelerations at the point (2, 12), we need to analyze the particle's motion using calculus.
First, let's find the velocity vector. The given information tells us that the velocity component in the direction of the x-axis is constant and equal to 2 m/s^2. Since the motion is along the trajectory y = x^4 - x^2, the velocity vector can be written as:
v = (2, dy/dt)To find dy/dt, we differentiate the equation of the trajectory with respect to time:
dy/dt = d/dt(x^4 - x^2)= 4x^3 - 2xSo, the velocity vector becomes:
v = (2, 4x^3 - 2x)Now, let's find the acceleration vector. The tangential acceleration (at) is the rate of change of the magnitude of velocity, and the normal acceleration (an) is the centripetal acceleration perpendicular to the trajectory.
To find at, we differentiate the magnitude of velocity (speed) with respect to time:
|v| = sqrt((2)^2 + (4x^3 - 2x)^2)= sqrt(4 + 16x^6 - 16x^4 + 4x^2)Differentiating |v| with respect to time, we get:
at = d/dt(sqrt(4 + 16x^6 - 16x^4 + 4x^2))= (1/2) * (4 + 16x^6 - 16x^4 + 4x^2)^(-1/2) * d/dt(4 + 16x^6 - 16x^4 + 4x^2)= (1/2) * (4 + 16x^6 - 16x^4 + 4x^2)^(-1/2) * (96x^5 - 64x^3 + 8x)To find an, we use the formula:
an = (v^2) / rwhere r is the radius of curvature. The radius of curvature can be found using the equation:
r = (1 + (dy/dx)^2)^(3/2) / |d^2y/dx^2|Differentiating the equation of the trajectory, we get:
dy/dx = d/dx(x^4 - x^2)= 4x^3 - 2xDifferentiating again, we get:
d^2y/dx^2 = d/dx(4x^3 - 2x)= 12x^2 - 2Substituting these values into the equation for r, we have:
r = (1 + (4x^3 - 2x)^2)^(3/2) / |12x^2 - 2|Now we can calculate the tangential and normal accelerations at the point (2, 12) by substituting x = 2 into the respective equations.
at = (1/2) * (4 + 16(2)^6 - 16(2)^4 + 4(2)^2)^(-1/2) * (96(2)^5 - 64(2)^3 + 8(2))an = [(2)^2] / [(1 + (4(2)^3 - 2(2))^2)^(3/2) / |12(2)^2 - 2|]Calculating these values will give us the tangential and normal accelerations at the point (2, 12).
About VelocityVelocity is a vector quantity that indicates how fast an object is moving. The magnitude of this vector is called speed and is expressed in meters per second.
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HELP HELP- “Tell me how energy us being transformed when you are
rubbing your hands together.
You answer must include. Chemical energy, mechanical energy,
sound energy, and heat energy.”
Answer:
energy is transformed when your rubbing your hands together because of the mechanical energy of your hands moving together creates both sound energy and heat energy from the friction and chemical energy is created when the atoms and molecules in your hands interact
Explanation:
are intramolecular forces stronger than intermolecular?
Answer:
syk
yidixilyyiyoiydiydil5dmi6dmiydl
two speakers play a 500 hz sound in phase. the speakers are arranged to face each other a what is the minimum distance you can move speaker a to achieve constructive interference along the x-axis? give a positive answer regardless of direction, in m.d are 6 m apart. how many points of constructive interference are there between the speakers?
As n is not an integer, so there will be no constructive interference between the speakers, if speaker A is moved by minimum distance.
What is interference?Interference is a phenomenon in which two waves combine by adding displacement together at every single point in space and time and to form a resultant wave of greater, lower, or same amplitude.
Wavelength of a 500 Hz sound wave is the speed of sound (about 343 m/s) divided by the frequency of the sound, which is 343/500 m = 0.686 m. Therefore, minimum distance you can move speaker A to achieve constructive interference along x-axis is 0.686/2 m = 0.343 m.
Given, distance between the speakers is 6m. Constructive interference will occur when path difference between two waves is equal to integer multiple of the wavelength. To achieve constructive interference, distance between the speakers + the distance moved by speaker A should be equal to n*wavelength where n is integer.
So, 6 + 0.343 = n* 0.686
n = (6+0.343)/0.686 = 8.8
As n is not an integer, so there will be no constructive interference between the speakers, if speaker A is moved by minimum distance.
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multiple choice
15) A coiled spring used to help a door close has ________ ________energy when the door is open.
16) After braking, a bicycle's tires increase in temperature as friction causes some of the
mechanical energy to transfer to ________ energy.
According to conservation of energy, the energy of interacting bodies in a closed system remains constant. The total energy of an isolated system remains constant; it is said to be conserved over a period of time.
Elastic energy is the mechanical implicit energy stored in the configuration of a material or physical system as it's subjected to elastic distortion by work performed upon it. Elastic energy occurs when objects are impermanently compressed, stretched or generally misshaped in any manner.
The mechanical energy is never lost forever , rather it gets converted to thermal energy because of the friction .
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Water has a heat capacity that is approximately ten times larger than the heat capacity of copper metal. Assuming 100 j of energy is deposited into equal masses of the two materials as heat energy, what is true about the change in temperature?.
Option B. The temperature change for Cu will be 10-fold higher than that for water. Is true bout the change in temperature.
Heat capacity or thermal capability is a physical property relying on, described as the amount of heat to be provided to an object to produce a unit trade in its temperature. The SI unit of heat ability is joule in line with kelvin. warmth capability is an extensive belonging.
Heat capacity or specific warmth is the quantity of warmth in step with unit mass that is required to raise the temperature through 1°C. particular heat is helpful in determining the processing temperatures and quantity of warmth necessary for processing and can be useful in differentiating among polymeric composites.
The Specific heat ability of a substance is usually determined consistent with the definition; namely, by means of measuring the heating capacity of a sample of the substance, generally with a calorimeter, and dividing via the pattern's mass .
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Disclaimer:- your question is incomplete, please see below for the complete question.
Water has a heat capacity that is approximately ten times larger than the heat capacity of copper metal. Assuming 100 j of energy is deposited into equal masses of the two materials as heat energy, what is true about the change in temperature?.
A. The answer cannot be determined without knowing the actual masses of the two materials.
B. The temperature change for Cu will be 10-fold higher than that for water.
C. The temperature change for water will be 10-fold higher than that for Cu.
D. The temperature changes will be the same since each receives the same amount of heat.
E. The answer cannot be determined without knowing the initial temperatures of the two materials.
a capacitor of capacitance c is charged by an emf through a resistance r. the time constant describes how quickly the voltages and currents change while the capacitor charges. which statement about the time constant is true?
The statement that is true about the time constant is that the product of the resistance R and the capacitance C is equal to the time constant τ of the charging capacitor.
A time constant describes the rate of change of current or voltage in a circuit. When an RC (resistance-capacitance) circuit is charged, the time constant represents the duration required for the capacitor to charge to 63.2% of its maximum charge potential. It also represents the time required for the capacitor to discharge to 36.8 percent of its maximum potential.
The formula for calculating the time constant of an RC circuit is:τ = RC.
Where R is resistance, and C is capacitance.
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which would take more energy - raising the temperature of 1.00 kg of water from 25.0°c to 70.0°c or to raise the temperature of 1.00 kg of ice from -2.0°c to 3.0°c?
Raising the temperature of 1.00 kg of water from 25.0°C to 70.0°C would take more energy than raising the temperature of 1.00 kg of ice from -2.0°C to 3.0°C.
To determine which scenario would require more energy, we can use the equation Q = mcΔT, where Q is the amount of heat energy required, m is the mass of the substance, c is the specific heat capacity, and ΔT is the change in temperature.
For scenario 1, raising the temperature of 1.00 kg of water from 25.0°C to 70.0°C, we can calculate the amount of energy required as follows:
Q = (1000 g) x (4.18 J/g°C) x (45°C) = 188,100 J
For scenario 2, raising the temperature of 1.00 kg of ice from -2.0°C to 3.0°C, we need to take into account the energy required to melt the ice first. This requires the latent heat of fusion, which is 334 J/g for water. The energy required to raise the temperature of the resulting water can then be calculated as follows:
Q = (1000 g) x (334 J/g) + (1000 g) x (4.18 J/g°C) x (5°C) = 167,000 J
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I'll give brainiest.
Approximate how many times greater Saturn's mass is than Mercury's.
Mass of the saturn = 5.683 × 10^26 Mass of the mercury = 3.285 × 10^23
Answer:
Planet Mass (in kilograms)
Saturn 5.685 · 1026
Planet Mass (in milligrams)
Saturn 5.685 · 1032
Explanation: