A nail driven into a board increases in temperature. if we assume that 60% of the kinetic energy delivered by a 2.10-kg hammer with a speed of 7.90 m/s is transformed into heat that flows into the nai

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A nail driven into a consideration increases in sphere. if we affect that 60% of the kinetic ghost delivered by a 2.10-kg stop delay a accelerate of 7.90 m/s is transformed into passion that flows into the nai
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