Physics, asked by ritik2348, 1 month ago

The piston of a vertical piston–cylinder device containing a gas has a mass of 60 kg and a cross-sectional area of 0.04 m2, as shown in Fig. The local atmospheric pressure is 0.97 bar, and the gravitational acceleration is 9.81 m/s2. (a) Determine the pressure inside the cylinder. (b) If some heat is transferred to the gas and its volume is doubled, do you expect the pressure inside the cylinder to change?

Answers

Answered by akshatp859
1

Answer:

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Answered by adventureisland
4

The expect the pressure inside the cylinder to 1.12bar.

Explanation:

A gas is contained in a vertical cylinder with a heavy piston. The pressure inside the cylinder and the effect of  volume change on pressure are to be determined.

PA=P_{atm}A+W

solving for P and substituting

P=P_{atm}A+\frac{mg}{A}

=0.97bar+\frac{(60kg)(9.81\frac{m}{s^{2}}) }{(0.04m^{2})} (\frac{1N}{1kg\frac{m}{s^{2}} })(\frac{1bar}{10^{5}\frac{N}{m^{2}} }  )

=1.12bar

The volume change will have no effect on the free body draw in part in and  the pressure inside the cylinder.

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