Physics, 19.10.2019 03:10 crosales102
In a popular amusement park ride, a rotating cylinder of radius r = 3.90 m is set in rotation at an angular speed of 6.50 rad/s, as in the figure shown below. the floor then drops away, leaving the riders suspended against the wall in a vertical position. what minimum coefficient of friction between a rider's clothing and the wall is needed to keep the rider from slipping? hint: recall that the magnitude of the maximum force of static friction is equal to ? sn, where n is the normal force
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Determine the force the sun exerts on an object with a mass of 80.0 kg if that object is on the earth. what is the force exerted by the moon on the same object? what is the force the earth exerts on it?
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