A child and sled with a combined mass of 528 kg slide down
A child and sled with a combined mass of 52.8 kg slide down a frictionless hill that is7.17 m high. If the sled starts fromrest, what is its speed at the bottom of the hill?m/s
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a child and sled with a combined mass of 528 kg slide down a frictionless hill that is717 m high if the sled starts
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