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Physics, 28.11.2019 00:31 rennytheraccoon

A70 kg student balances a 1200 kg elephant on a hydraulic lift. what is the diameter of the piston thestudent is standing on? (b) when a second student joins the first student, the piston sinks by 30 cm. what is the mass of the secondstudent? the density of the oil isrhooil= 917 kg/m3.

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