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May 26, 2015

Homework Help: Physics

Posted by Help Please on Thursday, October 25, 2012 at 12:51pm.

You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 114 N, the sled has an acceleration of 2.3 m/s2 If the sled has a mass of 7.6 kg, what is the mass of your little sister?

I don't need the answer, just help on how to solve it. Thanks

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