how much thermal energy must be removed from 0.96 kg of water at 0'C to make ice cubes at 0'C? Latens heat of fusion of ice is 3.35 x 10^5 j/Kg

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

Why should seat belts not be mandatory quick plz