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OpenStudy (anonymous):
Calculate work done by friction on the car as it rolled down the hill... if 500 kg car is at rest on a hill which is 50m high and rolls to the bottom of the hill. when reaching the bottom, speed is 27.8m/s. (assume h=0 at bottom)
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OpenStudy (anonymous):
51800 J
OpenStudy (anonymous):
how did you get that answer?
OpenStudy (anonymous):
|dw:1330457019437:dw|
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