Question: a 1 5 g bullet is shot vertically into a 2 kg block. the block lifts upward 8 . 0 mm . the bullet penetrates

a 15g bullet is shot vertically into a 2kg block. the block lifts upward 8.0mm. the bullet penetrates the block and comes to rest in it ata time interval of 0.001s. Assume the force on the bullet is constant during the penetration and that air resistance is negligible. the initial kinetic energy of the bullet is closest to?

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