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idont no but I can try it ok
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15. A 0.22 rifle bullet, traveling at 360ms -1 , strikes a block of soft wood, which it penetrates to a depth of 0.2 m. The mass of the bullet is 2 g. Assume a constant retarding force. (a) How much time was required for the bullet to stop? (b) What was the accelerating force?
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