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//clc()
g = 9.81;//m/s^2
m = 100 * 0.4536;//kg
P = 101325;//N/m^2
D1 = 4;//inch
D = D1 * 2.54 * 10^-2;//m
A = 3.1415 * (D^2)/4;//m^2
F1 = P * A;//N
F2 = m * g;//N
F = F1 + F2;
disp("N",F,"Total force acting on the gas = ")
P1 = F / A;//N/m^2
P2 = P1/100000;//bar
P3 = P1/(6.894757 * 10^3);//psi
disp("N/m^2",P1,"Pressure in N/m^2 = ")
disp("bar",P2,"Pressure in bar = ")
disp("psi",P3,"Pressure in psi = ")
d = 0.4;//m
W = F * d;
disp("J",W,"Work done = ")
PE = m * g * d;
disp("J",PE,"Change in potential energy = ")
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