c) What is the acceleration of the car down the hill once the parent gets the toy car moving? d) If the parent pushes it with the same constant force for 1 minute starting from rest, how far does the toy car travel down the hill? e) How much work is done by friction? f) What is the change in gravitational Potential energy?

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2) A little tykes toy car (mass = 7.85 kg) is left on a hill which is at an angle of 17 degrees. The toy car is at
%3D
rest. The coefficient of kinetic friction between the toy and the ground is 0.33, while the coefficient of static
friction is 0.36.
a) Draw the freed body diagram for the little tykes toy.
b) Solve for the friction force.
If a parent comes along and starts pushing the toy car down the hill (parallel to the direction of the hill) with
a 10 Newton force.
c) What is the acceleration of the car down the hill once the parent gets the toy car moving?
d) If the parent pushes it with the same constant force for 1 minute starting from rest, how far does the toy
car travel down the hill?
e) How much work is done by friction?
f) What is the change in gravitational Potential energy?
Transcribed Image Text:2) A little tykes toy car (mass = 7.85 kg) is left on a hill which is at an angle of 17 degrees. The toy car is at %3D rest. The coefficient of kinetic friction between the toy and the ground is 0.33, while the coefficient of static friction is 0.36. a) Draw the freed body diagram for the little tykes toy. b) Solve for the friction force. If a parent comes along and starts pushing the toy car down the hill (parallel to the direction of the hill) with a 10 Newton force. c) What is the acceleration of the car down the hill once the parent gets the toy car moving? d) If the parent pushes it with the same constant force for 1 minute starting from rest, how far does the toy car travel down the hill? e) How much work is done by friction? f) What is the change in gravitational Potential energy?
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