An 80-G Bullet Is Shot into a 4

question 20

Multiple Choice

An 8.0-g bullet is shot into a 4.0-kg block, at rest on a frictionless horizontal surface (see the figure) . The bullet remains lodged in the block. The block moves into an ideal massless spring and compresses it by 8.7 cm. The spring constant of the spring is 2400 N/m. The initial velocity of the bullet is closest to

• A) 1100 m/s.
• B) 1200 m/s.
• C) 900 m/s.
• D) 1300 m/s.
• E) 1000 m/s.

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