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A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means
A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternative to batteries in electric cars. The gasoline burned in a 338-mile trip in a typical midsize car produces about 3.78 x 10" J of energy. How fast would a 39.1-kg flywheel with a radius of 0.334 m have to rotate to store this much energy? Give your answer in rew/min. Number Units
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