Thank you for the opportunity to help you with your question! the solution is as such:area of piston = pi x r^2 = pi x (1.1/100)^2 = 3.80132 x 10^-4 m^2
To move 0.750 cm force required = ( 0.75 /100) x 1071 = 8.0325 N
Pressure required = Force / area = 8.0325 / 3.80132 x 10^-4 = 21130.817 N/ m^2
1000 x 9.81 x h = 21130.817
h = 2.154 m ans
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oh sorry just a second
there is little calculation mistake. i will just correct it.
area of piston = pi x r^2 = pi x (1.14/100)^2 = 4.028 x 10^-4 m^2
To move 0.750 cm force required = ( 0.75 /100) x 1080 = 8.1 N
Pressure required = Force / area = 8.1 / 4.028 x 10^-4 = 20109 N/ m^2
1000 x 9.81 x h = 20109
h = 2.051 m ans
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