7 a 25 kg block slides down a 25inclined plane with constant accelerat
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7. A 2.5-kg block slides down a 25°inclined plane with constant acceleration. The block starts from rest at the top. At the bottom, its velocity reaches 0.65 m/s. The length
of the incline is 1.6 m. (a) What is the acceleration of theblock? (b) What is the coefficient of frictionbetween the plane and block? (c) Does the result of either a or bdependon the mass of the block?