Question: 4 . ( 9 . 3 8 ) An airplane propeller is 1 . 7 3 m in length ( from tip to tip )

4.(9.38) An airplane propeller is 1.73 m in length (from tip to tip) with a mass of 109 kg and is rotating at 2500 rpm 1rev/min2 about an axis through its center. You can model the propeller as a slender rod. a. What is its rotational kinetic energy?

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