Determining the acceleration of a system of two masses hung over a pulley

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Question: What is the acceleration of a system of two masses (5 kg and 2 kg) connected by a massless cord and hung over a frictionless pulley?
Provide your answer as a multiple of g, where g is the acceleration due to gravity.

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Answered By:

Haakon N.
MD Student with Genetics Tutoring Experience
More information: https://www.wyzant.com/Tutors/OH/Cinc...

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Written Explanation:

The correct answer is 3g/7, with the acceleration vector occurring downward respective to the 5kg side.
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