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23 Nov 2019
A sled slides without friction down a small, ice covered hill. If the sled starts from rest at the top of the hill, it's speed at the bottom is 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 it's speed 9.00 m/s, more than 9.00m/s, or less than 9.00m/s. Explain. B) Find the speed of the sled at the bottom of the hill after the second run.
A sled slides without friction down a small, ice covered hill. If the sled starts from rest at the top of the hill, it's speed at the bottom is 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 it's speed 9.00 m/s, more than 9.00m/s, or less than 9.00m/s. Explain. B) Find the speed of the sled at the bottom of the hill after the second run.
Bunny GreenfelderLv2
19 Feb 2019
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