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gogetta
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A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open at the top. Friction is absent. The spring constant of the spring is 3900 N/m. The piston has a negligible mass and a radius of 0.020 m.
a) When air beneath the piston is completely pumped out, how much does the atmospheric pressure cause the spring to compress?
b) How much work does the atmospheric pressure do in compressing the spring?
 2 years ago
 2 years ago
gogetta Group Title
A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open at the top. Friction is absent. The spring constant of the spring is 3900 N/m. The piston has a negligible mass and a radius of 0.020 m. a) When air beneath the piston is completely pumped out, how much does the atmospheric pressure cause the spring to compress? b) How much work does the atmospheric pressure do in compressing the spring?
 2 years ago
 2 years ago

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jaersyn Group TitleBest ResponseYou've already chosen the best response.1
the spring constant of the spring is 3900 n/m?..
 2 years ago

jaersyn Group TitleBest ResponseYou've already chosen the best response.1
The force on the piston is atmospheric pressure (i don't know what value you use) times surface area of the piston. F=kx, where F is force k is spring constant and x is distance the spring compresses, solve for x
 2 years ago

gogetta Group TitleBest ResponseYou've already chosen the best response.0
thanks ill try it out
 2 years ago

gogetta Group TitleBest ResponseYou've already chosen the best response.0
thanks i solved the first part, do you know which formula i should use for b)
 2 years ago

jaersyn Group TitleBest ResponseYou've already chosen the best response.1
Work(w) is just Force(F) times Distance(x)
 2 years ago

jaersyn Group TitleBest ResponseYou've already chosen the best response.1
w = fx, you know the force already and you just solved for x right? (the distance the spring compressed)
 2 years ago

gogetta Group TitleBest ResponseYou've already chosen the best response.0
gotcha, thanks so much
 2 years ago
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