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A lead bullet with is fired at 66.0 m/s into a wood block and comes to rest inside the block. Suppose one quarter of the kinetic energy goes to the wood and the rest goes to the bullet, what do you expect the bullet's temperature to change by? The specific heat of lead is 128 J/kg ∙ K.

 

1.10 K

2.78 K

12.8 K

0.940 K

1.26 K

 
 Jun 2, 2016

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