Question: 5 a . In a ballistic pendulum, a bullet is fired into a wooden block suspended by long strings to allow it to swing forward.

5

.

In a ballistic pendulum, a bullet is fired into a wooden block suspended by long strings to allow it to swing forward. Assume the bullet has a mass of

12

g and the block has a mass of

7

.

After the bullet embeds itself in the block, the block swings upward, reaching a height of

5

cm from its resting position.

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