A 6.5 kg block is placed on a frictionless surface, conneted to an unknowm mass, and arranged as shown. The unknown mass falls from rest a distance 2.4 m, acheiving a speed of 4 m/s. Determine the unkown mass.

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A:

Q: incorrect. ahhhh

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Q: It seems like a incorrect answer

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Q: and Parallel Forces

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