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OpenStudy (anonymous):
A sled is initially given a shove up a frictionless 28.0 degree incline. It reaches a maximum vertical height 1.35m higher than where it started. What was the initial speed? The answer is 5.14m/s
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OpenStudy (anonymous):
\[mv ^{2}/2= mgh \] v=sqrt(2gh) where "h" is the height to which the block was raised
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