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Two objects are placed on a flat turntable at 10.0 cm and 20.0 cm from the center, respectively.
The coefficient of static friction with the turntable is 0.50. The turntable's rotational speed is gradually enhanced.
a. Which of the two objects will start to slide first? Why?
b. At what rotational speed does the inner object begin to slide?
A 50 kilogram ice skater glides across the ice in a straight line at 7 meters per second. If she bends down and scoops up a 20 kilogram child standing on the ice, what will b
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application of electrostatic
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