Answer to Question #36415 in Mechanics | Relativity for Olivia

Question #36415
An indestructible bullet 2.00 cm long is fired straight through a board that is 10.0 cm thick. The bullet strikes the board with a speed of 460 m/s and emerges with a speed of 300 m/s. (To simplify, assume that the bullet accelerates only while the front tip is in contact with the wood.)

a) what is the average acceleration of the bullet through the board? answer m/s^2
b) What is is the total time that the bullet is in contact with the board? answer s
c)What thickness of board (calculated to 0.1 cm) would it take to stop the bullet, assuming that the acceleration through all boards is the same? answer cm
Expert's answer
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