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OpenStudy (anonymous):
A 1250 kg hippo slides down a mud covered hill inclined at an angle of 18 degrees to the horizontal. If the coefficient of sliding friction between the hippo and the mud is 0.0900, what force of friction impedes the hippo's motion down the hill?
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OpenStudy (paxpolaris):
|dw:1324590757831:dw| normal force \[N = 1250\cdot9.8\cdot \cos(18°)=11650. \ newtons\]
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