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Physics, 19.03.2020 23:56 bluetigerbird2117
An airplane propeller is 2.18 m in length (from tip to tip) with mass 97.0 kg and is rotating at 2600 rpm (rev/min) about an axis through its center. You can model the propeller as a slender rod. What is its rotational kinetic energy?Suppose that, due to weight constraints, you had to reduce the propeller's mass to 75.0 % of its original mass, but you still needed to keep the same size and kinetic energy. What would its angular speed have to be, in rpm?
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An airplane propeller is 2.18 m in length (from tip to tip) with mass 97.0 kg and is rotating at 260...
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