a 4.0-kg block of wood rests on a tabletop. A 10.0-g bullet is shot straight up

Question

a 4.0-kg block of wood rests on a tabletop. A 10.0-g bullet is shot straight up through a hole in the table beneath the block. The bullet lodges in the block, and flies 25cm above the tabletop. Indicate which of the following statements are TRUE or FALSE.

A) During the collision mechanical energy (PE + KE) was not conserved?

B) During the collision Linear momentum was not conserved?

C) After the collision mechanical energy was conserved?

D) After the collision linaer momentum was not conserved?

E) After the collision, the velocity of the block is greater than it was before the collision?

Explanation / Answer

a) false

b) false

c) true

d) false

e)false

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