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Anunike Nwachukwu
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Vf^2=vi^2 + 2ad solve for acceleration a. Then, remember Force=m*a ? solve for force. 👤 bobpursley Feb 7, 2016 Vf^2 = Vi +2ad Data Vi=20.0 m/s Vf=0m/s ( at rest) dx=100m a=? Force? (O)^2=(20)^2 +2a(100) -400=200a a=-2m/s^2 Force=ma := -2(800) = -1600N
