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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?
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The electric utility invoice for a household shows a usage of 1245 kWh during a certain 30-day period. What is the average power consumption during this period?
WHAT IS MOTION?
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