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What is the gravitational potential energy of the car

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Reference no: EM132953955

A hot wheels car of mass 75 g is at rest on top of a ramp that is 90 cm tall. It descends from the top of the ramp to the bottom of the ramp with negligible loss to friction. After the descent, the car travels along a horizontal part and comes to a stop after traveling 2.4 m along the horizontal part of the ramp. Answer the following questions:

a) What is the gravitational potential energy of the car while resting at the top of the ramp

b) What is the speed of the car when it reaches the bottom of the ramp? Assume no friction on the ramp.

c) what is the work done by friction acting on the car during the horizontal portion of the track?

d) What is the value of the frictional force that acts on the car to bring it to a stop?

Reference no: EM132953955

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