You are pulling your sister on a sled to the top of a 200 m, Ask an Expert

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You are pulling your sister on a sled to the top of a 20.0 m high, frictionless hill with a 10.0^o incline. Your sister and the sled have a total mass of 50.0 kg. You pull the sled, starting from rest, with a constant force of 127 N at an angle of 45.0^o to the hill. If you pull from the bottom to the top, what will the speed of the sled be when you reach the top?

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