L will give BRAINLIEST... A 60g mass is suspended from a spring. When 15g more is added the spring increases 1.2cm. Find:
a)the spring constant.
b) Total extension of the spring​

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

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.

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid