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Physics 19 Online
OpenStudy (anonymous):

5-17 Physics C question below

OpenStudy (anonymous):

thank you!

OpenStudy (ksaimouli):

well what chapter r u guys in

OpenStudy (anonymous):

no idea. work-energy

OpenStudy (anonymous):

Hmm, ok, let's try taking this in stages. Can you find the input energy from the falling 9kg mass?

OpenStudy (anonymous):

There are two resistive forces, the spring, and the friction, so find both those forces. The work done by the spring and the friction equals the energy lost, so you can set those things equal.

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