In a Police Ballistics Test, a 2

In a police ballistics test, a 2.00-g bullet suddenly hits and becomes embedded in a 5.00-kg wood block which is hanging from a 1.20-m long string. This causes the block to swing through an arc of
3) 50°. What was the speed of the bullet just before it hit the block?

A) 16.7 m/s
B) 789 m/s
C) 262 m/s
D) 524 m/s
E) 25.3 m/s

Correct Answer:

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