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A 7

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A 7.4 cm diameter uniform solid sphere has mass 440 g and is spinning at 2000 rpm. What's its angular momentum? Answer: Choose... A circular saw is powered by a motor. When the saw is used to cut wood, the wood exerts a torque of 0.8 N.m on the saw blade. If the blade rotates with a constant angular velocity of 13 rad/s the work done on the blade by the motor in 5.8 min is: Answer: