Mr. Khan

for time being consider cylinder and cylindrical shell the same, then try to understand the equation , what does it mean

thanks. it's helpful

what is volume of liquid in partially filled cylinder. Asvolume= (Area of liquid)*(length of cylinder). I came across the following formula for volume of liquid incylinder but i can't understand it. the formula which i came across is: V= A*h = [(pi*R^2)/2- (R^3+R^2*h-3*R*h^2+h^3)/sqrt(2*R*h-h^2)] *L R= radius of cylindrical shell h= height of cylindrical shell L= length of cylindrical shell please tell me how it is derived and what it mean.

I want to find the equation for momentum of gases in thermodynamics. Please help me . I need it urgently. Thanks