A what is the average acceleration of the bullet thru the

Reference no: EM13644306

A bullet 2.00 cm long is fired straight through a board 10 cm thick. the bullet strikes the board at speed of 420m/s and emerges at 280m/s. a) what is the average acceleration of the bullet thru the board? b) what is the total time the bullet is in contact with the board? c) What thickness of the board would it take to stop the bullet, assuming acceleration is the same?

Reference no: EM13644306

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