A piston containing 0.30 kg of R-134a at 320 kPa and 130°C is cooled at constant volume until the pressure reaches 200 kPa. What is a good approximation for the final temperature? How much total heat was added to the system? g

What causes the formation of ocean currents?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

How can waves travel through ground?