2. A worker drives a 0.500 kg spike into a rail tie with a 2.50 kg sledgeham- mer. The hammer hits the spike with a speed of 65.0 m/s. If one-third of the hammer's kinetic energy is converted to the internal energy of the hammer and spike, how much does the total internal energy increase?

2. A worker drives a 0.500 kg spike into a rail tie with a 2.50 kg sledgeham- mer. The hammer hits the spike with a speed of 65.0 m/s. If one-third of the hammer's kinetic energy is converted to the internal energy of the hammer and spike, how much does the total internal energy increase?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 54PQ

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Concept explainers

First law of Thermodynamics

The word thermodynamics consists of two words: thermo- and dynamics. Dynamics means the study of motion. The field of thermodynamics is all about the study of the movement of heat. In a more meaningful way, it is stated as the study of the transfer of energy. Energy transfer is something that we encounter in day-to-day life. Automobiles, chemical reactions, refrigerators, and power generators work on the basis of thermodynamic principles.

Question

MESES
======
ETICE
33333
2. A worker drives a 0.500 kg spike into a rail tie with a 2.50 kg sledgeham-
mer. The hammer hits the spike with a speed of 65.0 m/s. If one-third of
the hammer's kinetic energy is converted to the internal energy of the
hammer and spike, how much does the total internal energy increase?

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