Question: A sled slides without friction down a small, ice-covered hill. On its first run down the hill, the sled starts from rest at the top

A sled slides without friction down a small, ice-covered hill. On its first run down the hill, the sled starts from rest at the top of the hill and its speed at the bottom is 7.50 m/s. On a second run, the sled starts with a speed of 1.50 m/s at the top. What is the speed of the sled at the bottom of the hill on the second run?

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