A worker drives a 0.500 kg spike into a rail tie with a 2.50kg sledgehammer. The

Question

A worker drives a 0.500 kg spike into a rail tie with a 2.50kg sledgehammer. The hammer hits the spike with a speed of 65.0m/s. If one-third of the hammer's kinetic energy is converted tothe internal energy of the hammer and spike, how much doesthe total internal energy increase? Please explain in detail how to solve this problem! A worker drives a 0.500 kg spike into a rail tie with a 2.50kg sledgehammer. The hammer hits the spike with a speed of 65.0m/s. If one-third of the hammer's kinetic energy is converted tothe internal energy of the hammer and spike, how much doesthe total internal energy increase? Please explain in detail how to solve this problem!

Explanation / Answer

      = (1/2) (2.5) (65)^2    =5281.25
-------------> 5281.25/3 =1760 J

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