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Ben Lyambian
Answers (1)
1) 0.5mv1^2 - W = 0.5mv2^2 v1 = initial speed v2 = final speed = 0 re-arrange 0.5mv1^2 = W Work in this case is defined as umd u = coeffecient of friction m = mass d = distance it travelled since coeffecient of friction is a function of distance, work is
