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Author Question: In the figure, a 1.6-kg weight swings in a vertical circle at the end of a string having negligible ... (Read 295 times)

c0205847

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on: Aug 6, 2020

Question 1

If L represents angular momentum, I represents moment of inertia, p represents linear momentum, m represents mass, and r represents a distance, which of the following can represent kinetic energy?

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p2/2m

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L2/2I

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rpI

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all of the above

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both (a) and (b)


Question 2

In the figure, a 1.6-kg weight swings in a vertical circle at the end of a string having negligible weight. The string is 2 m long. If the weight is released with zero initial velocity from a horizontal position, its angular momentum (in kg⋅m2/s) at the lowest point of its path relative to the center of the circle is approximately



◦
40

◦
10

◦
30

◦
20

◦
50
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by c0205847 on Aug 6, 2020

shewald78

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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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c0205847

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Reply 2 on: Aug 6, 2020
YES! Correct, THANKS for helping me on my review

okolip

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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