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Introductory Physics Homework Help
Rotational motion and angular momentum
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[QUOTE="Steve4Physics, post: 6465942, member: 681522"] If you are holding a pendulum (at an angle) and give it an initial push, it will reach a bigger height compared to merely releasing it. The extra gravitational potential energy equals the extra initial kinetic energy you gave it (conservation of energy). Applying the same argument to the original problem, you should see that the rod must rotate more than 180º, not less. And you've sorted out the rounding error. Yay! [/QUOTE]
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Introductory Physics Homework Help
Rotational motion and angular momentum
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