Explain why you wouldn't want to use a 12" ruler to measure the distance between South and North High Schools.

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.

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?