Homework Help: Science

Posted by Michael on Tuesday, December 6, 2011 at 9:40pm.

A lead bullet with a mass of 8.50 g traveling at 4.80 x 102 m/s strikes a 2.00 kg block of wood and is embedded in it. Both the bullet and the block are initially at 25.0°C. Assume that no heat is lost to the surroundings and that all the kinetic energy of the bullet is converted into heat in the block. The specific heat capacity of wood is 2.1 J/g • K and the specific heat capacity of water is 4.18 J/g • K.

What is the kinetic energy of the bullet?

How much energy does the block absorb?

What is the final temperature of the block?

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