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Question: a 50 kg skier starting from rest wants to jump...

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A 50 kg skier starting from rest wants to jump a ravine. He begins 19 m from the edge of the cliff, on a 30 degree down slope (with the horizontal). If the lip on the far side of the ravine is 14.26 m below the upper edge, and the ravine width is 10.35 m, with how much constant force would he need to push to get up to the speed needed to make it across?

Also note the coefficient of Kinetic friction is 0.35 this problem is due on Friday 1/25/19 and I really need help, Please show work so I can also understand because i'm kinda lost. Thanks!

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