Answered: A ramp is inclined at an angle of 30°.…

A ramp is inclined at an angle of 30°. A 5 kg block has an initial speed of 8 m/s up a ramp. It comes to rest after traveling 3 m. There is friction between the block and t

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Question

A ramp is inclined at an angle of 30°. A 5 kg block has an initial speed of 8 m/s up a ramp. It comes to rest after traveling 3 m. There is friction between the block and the ramp. a. Draw the free body diagram for the block. b. What is ∆K for the block? c. What is ∆Ugrav for the block? d. What is the work done by friction? e. What is the work done by the normal force? f. What is the coefficient of kinetic friction? g. The coefficient of static friction is 0.7. After the block comes to rest, does it start sliding down the ramp, or does it remain fixed in position? Explain your reasoning and state how much friction acts on the block. Draw the free body diagram.