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A 2500 lbm car is accelerated from 25 mi/h to 40 mi/h. How much work is that? The work input is the increase in kinetic energy.

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A 2500 lbm car is accelerated from 25 mi/h to 40 mi/h. How much work is that? The work input is the increase in kinetic energy. 

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E2 – E1 = (1/2)m[V22 - V21] = 1W2 

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