1.how does inertia affect a person who is not wearing a seatbelt during a collision?

Orange juice has a lower or higher viscosity than chocolate syrup

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.

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain