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Joefel
Answers (1)
A=mgh = 350 x 9.8 x 25 = 85750 J B=MGH = 350 x 9.8 x 12 = 41160 J 1/2mv^2= A-B v=√(2(A-B)/m) =16 m/s F= (mv^2)/r - mg = 14933.3333 - 3430 = 11503.333 N or simply 1.15 x 10^4 N
