A Bullet Is Fired Through a Board,8

A bullet is fired through a board,8.00 cm thick,with its line of motion perpendicular to the face of the board.If it enters with a speed of 300 m/s and emerges with a speed of 100 m/s,the bullet's acceleration as it passes through the board is

A) -200,000 m/s².
B) -300,000 m/s².
C) -400,000 m/s².
D) -500,000 m/s².
E) -600,000 m/s².

Correct Answer:

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