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Statement of a problem № 2484

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A cord passing over an easily turned pulley (one that is both massless and frictionless) has a 7.0-kg mass hanging from one end and a 9.0-kg mass hanging from the other, as shown in Fig. 3-14. (This arrangement is called Atwood's machine.) Find the acceleration of the masses and the tension in the cord.

Solution:
A cord passing over an easily turned pulley (one that is both massless and frict

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