Saturday
March 28, 2015

Homework Help: Physics

Posted by Christina on Wednesday, January 22, 2014 at 3:43pm.

A 0.5 kg wooden block is dropped from a height of 15 m. At what height must a 5g bullet be traveling upward strike the block in order to momentarily stop its fall? Assume that the time required for the bullet to come to rest in the block in negligibly short, that no internal energy is produced and that the bullet travels with a speed of 320 m/s immediately before striking the block.

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