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Author Question: A 1.2-kg mass is projected up a rough circular track (radius = 0.80 m) as shown. The speed of the ... (Read 142 times)

urbanoutfitters

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on: Aug 1, 2020
A 1.2-kg mass is projected up a rough circular track (radius = 0.80 m) as shown. The speed of the mass at point A is 8.4 m/s, and at point B, it is 5.6 m/s. What is the change in mechanical energy between A and B caused by the force of friction?



◦
−2.7 J

◦
−8.8 J

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−4.7 J

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−6.7 J

◦
−19 J
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Marked as best answer by urbanoutfitters on Aug 1, 2020

juwms

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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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urbanoutfitters

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Reply 2 on: Aug 1, 2020
Excellent

ktidd

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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