A crate of mass 10.0 kg is pulled up a roughincline with an initial speed of 1.50m/s. The pulling forceis 100N parallel to the incline, which makes an angle of 20.0 withthe horizontal. The coefficient

A crate of mass 10.0 kg is pulled up a roughincline with an initial speed of 1.50m/s. The pulling forceis 100N parallel to the incline, which makes an angle of 20.0 withthe horizontal. The coefficient of kinetic friction is 0.400,and the crate is pulled 5.00m.

A) How much work is done by the gravitational force on thecrate?

B) Determine the increase in internal energy of the crate-inclinesystem owing to friction.

C) How much work is done by the 100N force on the crate?

D)What is the change in kinetic energy of the crate?

E) What is the speed of the crate after being pulled 5.00m?

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