Discover the speed of the sled at the bottom of the hill

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A sled slides without friction down a small, ice covered hill. If the sled starts from rest at the top of the hill, its speed at the bottom are 7.50 m/s. A) On the second run the sled starts with a speed of 1.50m/s at the top. When it reaches the bottom of the hill is its speed 9.00 m/s, more than 9.00m/s, or less than 9.00m/s. Explain. B) Discover the speed of the sled at the bottom of the hill after the second run.  

Reference no: EM13673005

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