detailed solution please? total energy of rotating rod

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July 24, 2016 - 9:37am
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Juny Geraldizo ...
Juny Geraldizo Patierez's picture
detailed solution please? total energy of rotating rod

the rod is 10ft long weighing 20lbs. if it revolves through one end at 2rps, find the total energy.

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July 24, 2016 - 7:05pm
Jhun Vert
Jhun Vert's picture

Use the formula for kinetic energy of rotating rod:
KE = energy due to rotation + energy due to translation of center of mass
$KE = \frac{1}{2}I\omega^2 + \frac{1}{2}mv^2$

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