Question: A 2-kg block A can slide without friction down a slot in a 10-kg block B which can slide without friction on a horizontal surface.

A 2-kg block A can slide without friction down a slot in a 10-kg block B which can slide without friction on a horizontal surface. Both blocks are at rest when block A is released in the position shown. Just before block A reaches the end of the slot its speed relative to block B is 3.59 m/s. Neglecting friction and knowing that the blocks stick together after block

A strikes the end of the slot, determine

(a) The impulse exerted by block B on block A,

(b) The energy lost in the impact.

B 30%

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