# 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

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

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