what is meant by quasi-static work done by pressure? is it just about the pistons? what was learned from it? what formula is used?

Q: ng a cycle, the change in internal energy (AU) is always zero done (W) cannot be zero. Why? does Cp…

A: Internal energy is state function

Q: A 150-g bullet is fired from a rifle having a barrel 0.660 m long. Choose the origin to be at the…

A:

Q: a nemispherical bowl whóšé rádiu. ches the bottom of the bowl? (b) If the flake an initial downward…

A:

Q: A hot-air balloon is inflated by heating air at constant pressure. Assume the number of air…

A: (a) The work done by the balloon to expand against atmospheric pressure is, W=P∆V…

Q: What is the efficiency of an engine that does 300 J of work in each cycle while discarding 600 J to…

A: Expression for efficiency is  e=WQin×100%=300 J300 J+600 J×100%=33.33%