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July 28, 2014

Homework Help: college physics

Posted by tasha on Tuesday, November 13, 2007 at 10:44pm.

i just need to know if i got the right answer. plz thankyou
a 15000N car on a hydrolyic lift rests on a cylinder with a piston of radius 0.20M,. if a connecting cylinder with a piston of 0.04M radius is driven by compressed air, what force must be applied to the smaller piston in order to lift the car?

am i doing this right?
pi*(0.04M)^2 / pi(0.20M)^2* 15000N = 600N
is this right, if not how do i go about getting the right anwser?

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