- #1
benedict9999
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Homework Statement
A 54.0 kg cheerleader uses an oil-filled hydraulic lift to hold four 130 kg football players at a height of 1.40 m. If her piston is 18.0 cm in diameter, what is the diameter of the football players' piston?
Homework Equations
The Attempt at a Solution
54 /18^2 = 520/x^2
x= 55.85696 cm
What am i doing wrong?