Question: A 1.50-kg book is sliding along a rough horizontal surface. At point A it is moving at 3.21 m s, and at point B it

A 1.50-kg book is sliding along a rough horizontal surface. At point A it is moving at 3.21 m s, and at point B it has slowed to 1.25 m s.

(a) How much work was done on the book between A and B?

(b) If –0.750 of work is done on the book from B to C, how fast is it moving at point C?

(c) How fast would it be moving at C if 0.750 J of work were done on it from B to C?

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