I. The radiator has air trapped in it. The specific heat capacity of water is 4200 J/kg°C.
The specific heat capacity of air is a third of water.
Calculate the specific heat capacity of air.

Could someone me find the answer to this problem.

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology