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Author Question: Sally, who weighs 450 N, stands on a skate board while Roger pushes it forward 13.0 m at constant ... (Read 155 times)

jake

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on: Aug 1, 2020
Sally, who weighs 450 N, stands on a skate board while Roger pushes it forward 13.0 m at constant velocity on a level straight street. He applies a constant 100 N force.

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The work Roger does on the skateboard is 0 J.

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The work Roger does on the skateboard is 1 300 J.

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The work Sally does on the skateboard is 1 300 J.

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The work Sally does on the skateboard is 5 850 J.

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The work Roger does on the skateboard is 5 850 J.
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Marked as best answer by jake on Aug 1, 2020

frejo

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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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jake

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Reply 2 on: Aug 1, 2020
Wow, this really help

bitingbit

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Reply 3 on: Yesterday
Gracias!

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