NEET 2011 Physics question
A conveyor belt is moving at a constant speed of . A box is gently dropped on it. The coefficient of friction between them is . The distance that the box will move relative to belt before coming to rest on it taking , is :
Answer: (4)
Solution
When the box is dropped (initial speed zero) the belt slides under it and kinetic friction accelerates the box forward: . Relative to the belt, the box starts with a velocity of backward and is decelerated at until it
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