# Physics

Three objects are connceted by a massless wires over a frictionless pulley. The right side of the pulley wire is connected to a 15kg block and right below that is a 10kg block on the bottom of the wire. The tension in the wire connecting the 10kg and 15kg objects is measured to be 133 N. What is the weight of the unknown mass on the left side of the pulley or other side of the pulley.

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1. 52.8

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2. 8.33

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