First blank box: 1. increase
2. decrease
3. stay the same

Second blank box:
1. increase
2. decrease
3. stay the same

Modify the equation fδt=δ (mv) to find the force of friction.

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 softest and hardest minerals are: softest hardest