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Author Question: Ellen says that whenever the acceleration is directly proportional to the displacement of an object ... (Read 67 times)

jman1234

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on: Aug 6, 2020
Ellen says that whenever the acceleration is directly proportional to the displacement of an object from its equilibrium position, the motion of the object is simple harmonic motion. Mary says this is true only if the acceleration is opposite in direction to the displacement. Which one, if either, is correct?

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Ellen, because ω2 is directly proportional to the constant multiplying the displacement and to the mass.

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Ellen, because ω2 is directly proportional to the mass.

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Mary, because ω2 is directly proportional to the constant multiplying the displacement and to the mass.

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Mary, because ω2 is directly proportional to the mass.

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Mary, because the second derivative of an oscillatory function like sin(ωt) or cos(ωt) is always proportional to the negative of the original function.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by jman1234 on Aug 6, 2020

fromAlphatoOmega22

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Reply #1 on: Aug 6, 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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jman1234

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Reply 2 on: Aug 6, 2020
Excellent

FergA

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Reply 3 on: Yesterday
Wow, this really help

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