A Bullet with a Mass of 12 G Moving Horizontally $\times$

question 24

Multiple Choice

A bullet with a mass of 12 g moving horizontally strikes a fixed block of wood and penetrates a distance of 5.2 cm.The speed of the bullet just before the collision is 640 m/s.The average force that the wood exerted on the bullet was

• A)4.7 \(\times\) 10⁴ N
• B)74 N
• C)4.7 \(\times\) 10⁶ N
• D)unknown; the mass of the wood is required
• E)None of these is correct.

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