Minimum coefficient of static friction based problem
A girl stands on a rotating merry-go-round, 2.3 m from its center. If the girl has a speed of 2.2 m/s, what is the minimum coefficient of static friction between her feet and the merry-go-round that will prevent her from slipping?
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What is the probability of a spinner with 4 even colors landing on the same color 5 or fewer times in 10 spins?
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find the apparent weight of a 54-kg person in the roller coaster as it passes over the top of the hill. The apparent weight is how heavy the person feels, which is determined in this case by the normal force.
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R-22, flowing steadily at 70 lbm/hr, enters the expansion valve of a refrigeration system as a saturated liquid at 183.09 psia. At the exit of the valve, the pressure is 31.162 psia.
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