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Author Question: A spring on a horizontal surface can be stretched and held 0.5 m from its equilibrium position with ... (Read 77 times)

mmm

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on: Dec 18, 2021

Question 1

A 60-m-long, 9.1-mm-diameter rope hangs free from a ledge. The density of the rope is 70 g/m. How much work is needed to pull the entire rope to the ledge?
◦ 4.2g J
◦ 126g J
◦ 126,000g J
◦ 9g J

Question 2

A spring on a horizontal surface can be stretched and held 0.5 m from its equilibrium position with a force of 45 N. How much work is done in stretching the spring 3 m from its equilibrium position?
◦ 405 J
◦ 67.5 J
◦ 135 J
◦ 810 J
Calculus: Early Transcendentals ¦ Briggs, Cochran, Gillett, Schulz ¦ 3rd Edition
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Marked as best answer by mmm on Dec 18, 2021

Joy Chen

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Reply #1 on: Dec 18, 2021
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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mmm

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Reply 2 on: Dec 18, 2021
Gracias!

scikid

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Reply 3 on: Yesterday
Wow, this really help

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