15. Determine the velocity of a cart that is accelerated from rest by a 30.0 N force for 20.0 m.The cart has a mass of 5.0 kg.16. Determine the potential energy stored in a 72.0 N/m spring extended by 0.70 m.17. Determine the work required to compress a 500 N/m spring from 0.2 compression to a0.6 m compression.18. An object starts from rest at the top of a frictionless inclined plane and slides down theplane. At the bottom, it has a speed of 9.8 m/s. What is the vertical height of the plane?19. A rollercoaster cart is at the top of a 200.0 m ideal rollercoaster. Determine how fast thecart will be moving halfway down and at the bottom of the rollercoaster.20. How much power must a motor supply in order to lift a 350 kg piano, at constantvelocity, up to a 15 m high window in 30 seconds?21. A 1500 kg car accelerates from 0 to 25 m/s in 7.0 s along a level road. What is theaverage power delivered by the engine (in HP)?22. A heavy object is dropped from a height of 8.0m. What is its speed when it hits theground?23. A 2.5kg object is dropped from a height of 10.0m above the ground. Calculate the speedof the object as it hits the ground.24. A 45.0 kg student runs at a constant velocity up an incline that is 6.0m tall. If the poweroutput of the student was 1500W, how long does it take the student to run up the incline?25. A 20.0kg object is lifted vertically at a constant velocity to a height of 2.50m in 2.00s.Calculate the power output of the student.26. The kinetic energy of a 20.ON droid is 500J. What is the speed of the droid?27. A 9.00kg object falls off a 1.2m high table. If all of the object's potential energy istransformed into kinetic energy just before it hits the floor, how fast is it moving?28. A safe is hurled down from the top of a 130m building at a speed of 11.0m/s. What is itsvelocity as it hits the ground?29. A 6kg cart is acted upon by a 4N force for a distance of 2.8m. If the cart starts at rest,determine the final velocity after the 2.8m push.

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Description: 15. Determine the velocity of a cart that is accelerated from rest by a 30.0 N force for 20.0 m.The cart has a mass of 5.0 kg.16. Determine the potential energy stored in a 72.0 N/m spring extended by 0.70 m.17. Determine the work required to compre

Given data: Initial velocity (Vi) = 0 m/s Force (F) = 30.0 N Displacement (d) = 20.0 m Mass (m) =…

Answered: Determine the velocity of a cart that…

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Determine the velocity of a cart that is accelerated from rest by a 30.0 N force for 20.0 m. The cart has a mass of 5.0 kg.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 41P: (a) A child slides down a water slide at an amusement park from an initial height h. The slide can...

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!

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Question

15. Determine the velocity of a cart that is accelerated from rest by a 30.0 N force for 20.0 m.
The cart has a mass of 5.0 kg.
16. Determine the potential energy stored in a 72.0 N/m spring extended by 0.70 m.
17. Determine the work required to compress a 500 N/m spring from 0.2 compression to a
0.6 m compression.
18. An object starts from rest at the top of a frictionless inclined plane and slides down the
plane. At the bottom, it has a speed of 9.8 m/s. What is the vertical height of the plane?
19. A rollercoaster cart is at the top of a 200.0 m ideal rollercoaster. Determine how fast the
cart will be moving halfway down and at the bottom of the rollercoaster.
20. How much power must a motor supply in order to lift a 350 kg piano, at constant
velocity, up to a 15 m high window in 30 seconds?
21. A 1500 kg car accelerates from 0 to 25 m/s in 7.0 s along a level road. What is the
average power delivered by the engine (in HP)?
22. A heavy object is dropped from a height of 8.0m. What is its speed when it hits the
ground?
23. A 2.5kg object is dropped from a height of 10.0m above the ground. Calculate the speed
of the object as it hits the ground.
24. A 45.0 kg student runs at a constant velocity up an incline that is 6.0m tall. If the power
output of the student was 1500W, how long does it take the student to run up the incline?
25. A 20.0kg object is lifted vertically at a constant velocity to a height of 2.50m in 2.00s.
Calculate the power output of the student.
26. The kinetic energy of a 20.ON droid is 500J. What is the speed of the droid?
27. A 9.00kg object falls off a 1.2m high table. If all of the object's potential energy is
transformed into kinetic energy just before it hits the floor, how fast is it moving?
28. A safe is hurled down from the top of a 130m building at a speed of 11.0m/s. What is its
velocity as it hits the ground?
29. A 6kg cart is acted upon by a 4N force for a distance of 2.8m. If the cart starts at rest,
determine the final velocity after the 2.8m push.

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