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Scott, MIT Graduate
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1.if a stone with an original velocity of 0 is falling from

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1.if a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, what is the final velocity of the stone ?     A. 39.2m/s   B.42.6m/s    C.78.4m/s    D.156.8m/s                 2. an object with a mass of 78kilograms is lifted through a height of 6 meters .how much work is done ?      A.47.75J     B.468J     C.764.4 J    D. 4,586.4 J

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