Physics, 26.05.2021 17:50 sofiakeogh1670
A 20-g bullet is shot vertically into an 2.8-kg block. The block lifts upward 9 mm. The bullet penetrates the block and comes to rest in it in a time interval of 5 ms. Assume the force on the bullet is constant during penetration and that air resistance is negligible. What is the speed of the bullet just before the impact
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A 20-g bullet is shot vertically into an 2.8-kg block. The block lifts upward 9 mm. The bullet penet...
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