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Work chapter in physics
Asked Nov 17, 2009, 01:48 PM
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2 Answers A father pushes horizontally on his daughters sled to move it up a snowy incline. If the sled moves up the hill with a constant velocity, how much work is done by the father in moving it from the bottom to the top of the hill? The hill is at an angle of 15 degrees and it is 3.6 meters high at the end |
2 Answers
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| W= Fd so you tell us when you have finished. Do you have what you need, did we? | ||||
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| 1. Find the force perpendicular to the plane of the slope. 2. That force is equal in magnitude to that which the father applies since there is no acceleration. 3. Then, use W = Fd to find the work done. | ||||
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