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Author Question: A pendulum bob has potential energy U0 when held taut in a horizontal position. The bob falls until ... (Read 62 times)

HudsonKB16

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on: Aug 1, 2020
A pendulum bob has potential energy U0 when held taut in a horizontal position. The bob falls until it is 30° away from the horizontal position, when it has potential energy UA. It continues to fall until the string is vertical, when it has potential energy UB. Compare its potential energies at O, A, and B.



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U0 = UA = UB.

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UA−UB = 2U0.

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UA−UB = U0−UA.

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U0 = UB = 2UA.

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U0−UA = 2(UA−UB).
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by HudsonKB16 on Aug 1, 2020

aidanmbrowne

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Reply #1 on: Aug 1, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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HudsonKB16

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Reply 2 on: Aug 1, 2020
Great answer, keep it coming :)

pangili4

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Reply 3 on: Yesterday
Excellent

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