November 26, 2015

Homework Help: Physics

Posted by Bartholomew on Friday, October 8, 2010 at 6:39pm.

A bullet of mass 1.910−3kg embeds itself in a wooden block with mass 0.987kg, which then compresses a spring (k=120N/m) by a distance 3.510−2m before coming to rest. The coefficient of kinetic friction between the block and table is 0.42. What fraction of the bullet's initial kinetic energy is dissipated (in damage to the wooden block, rising temperature, etc.) in the collision between the bullet and the block?

(delta K) / K = ?

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