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A carpenter is driving a nail into a board. The 1.00-kg hammer is moving at 8.50 m/s when it strikes ...

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A carpenter is driving a nail into a board. The 1.00-kg hammer is moving at 8.50 m/s when it strikes ...

A carpenter is driving a nail into a board. The 1.00-kg hammer is moving at 8.50 m/s when it strikes the nail. Assume that half of the kinetic energy of the hammer is transformed into heat in the 15.0-g steel nail and does not flow out. What is the increase in temperature of the nail after the three blows that the carpenter needs to drive the nail in completely? The specific heat of steel is 448 J/(kg•K).
A) 8.1 K
B) 3.6 K
C) 1.8 K
D) 2.7 K
E) 7.7 K

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Brelou Author

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Good timing, thanks!

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