Physics, 26.11.2020 01:00 sam10146

A 70 kg student balances a 1200 kg elephant (d=2.0 m) on a hydraulic lift. What is the diameter of the piston the student is standing on? When a second student joins the first, the piston sinks 35 cm. What is the second student's mass?

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A 70 kg student balances a 1200 kg elephant (d=2.0 m) on a hydraulic lift. What is the diameter of t...