How much mechanical energy did she lose on the hill
A fun-loving 11.4 {rm kg} otter slides up a hill and then back down to the same place. If she starts up at 5.75 {rm m/s} and returns at 3.75 {rm m/s}, how much mechanical energy did she lose on the hill?
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A 2 kg ball of clay traveling west at 10 m/s collides with a 1 kg ball of clay traveling north at 5 m/s. What is the speed of the resulting ball of clay? Assume that the collision is perfectly inelastic.
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Write down in a paragraph something you have seen in society that you would like to a sociological study on if I were able to give you a million dollar research grant (Typed, double-spaced).
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A 50-kg student on a sled starts from rest at a vertical height of 20 m above the horizontal base of a hill and slides down.
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