Can someone help me with physics homework?

Posted on 2014-12-03 06:39:00 in Physics by JACKLIN

A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open to the air at the top. Friction is absent. The spring constant of the spring is 3579 N/m. The piston has a negligible mass and a radius of 0.030 m.



(a) When the air beneath the piston is completely pumped out, how much does the atmospheric pressure cause the spring to compress? m



(b) How much work does the atmospheric pressure do in compressing the spring?

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