An airplane propeller is 2.08 m in length (from tip to tip)with mass 117 kg and is rotating at 2400 rpm 1rev/min2 about anaxis through its center. You can model the propeller as a slender rod.(a) What is its rotational kinetic energy? (b) Suppose that, due to weightconstraints, you had to reduce the propeller’s mass to 75.0% of its originalmass, but you still needed to keep the same size and kinetic energy.What would its angular speed have to be, in rpm?
An airplane propeller is 2.08 m in length (from tip to tip)with mass 117 kg and is rotating at 2400 rpm 1rev/min2 about anaxis through its center. You can model the propeller as a slender rod.(a) What is its rotational kinetic energy? (b) Suppose that, due to weightconstraints, you had to reduce the propeller’s mass to 75.0% of its originalmass, 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 2.08 m in length (from tip to tip)
with mass 117 kg and is rotating at 2400 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? (b) 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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