9. If the frequency of a certain light is 3.8 x 1024 Hz, what is the energy of this light?

Heat from the sun reaches earth to a. radiation b. convection c. conduction

Aregular polygon has angkes of size 150° each. how many side has the polygon

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.