What pressure does woman exert on the floor
A 50 kg woman balances on one heel of a pair of high-heeled shoes. If the heel is circular with radius 0.516 cm, what pressure does she exert on the floor?
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A 63 -kg ice skater coasts with no effort for 68 m until she stops. If the coefficient of kinetic friction between her skates and the ice is = 0.10, how fast was she moving at the start of her coast?
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