An indestructible bullet 2.00 cm long is fi red straight
Chapter 2, Problem 2.94(choose chapter or problem)
An indestructible bullet 2.00 cm long is fi red straight through a board that is 10.0 cm thick. The bullet strikes the board with a speed of 420 m/s and emerges with a speed of 280 m/s. (a) What is the average acceleration of the bullet through the board? (b) What is the total time that the bullet is in contact with the board? (c) What thickness of board (calculated to 0.1 cm) would it take to stop the bullet, assuming the acceleration through all boards is the same?
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