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OpenStudy (anonymous):
a car of mass 650kg is moving at a speed of 0.7 m/s. a man pushes the car, increasing the speed to 2.2 m/s. how much work did the man do? A. 1414 J B. 1573 J C. 1732 J D. 159 J
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OpenStudy (anonymous):
the kinetic energy equation \[1/2 M v _{2}^{2} - 1/2M v _{1}^{2}= work. done\]
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