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Author Question: A mass attached to the end of a spring is pulled out and released on a surface with friction. The ... (Read 69 times)

s.tung

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A mass attached to the end of a spring is pulled out and released on a surface with friction. The work done on the mass by the force exerted by the spring

never has the same sign as the change in energy owing to friction.

always has the same sign as the change in energy owing to friction.

has the same sign as the change in energy owing to friction during one half of each cycle.

never has the same sign as the change in energy owing to friction if the force of friction is greater than the spring force.

always has the same sign as the change in energy owing to friction if the force of friction is greater than the spring force.


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Marked as best answer by s.tung on Aug 1, 2020

mochi09

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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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s.tung

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Reply 2 on: Aug 1, 2020
Excellent


robbielu01

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Reply 3 on: Yesterday
Gracias!

 

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