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Asked Dec 16, 2019
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A child and sled with a combined mass of 48.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed of 2.50 m/s at the bottom, what is the height of the hill?

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Expert Answer

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according to the consevation of energy, the potential energy will be convert to kinetic...

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mgh =-mv 2

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Advanced Physics

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