A 3.8 kg ball is at rest on the floor in a 1.2 m ? 1.2 m ? 1.2 m room of air at STP. Air is 80% nitrogen (N2) and 20% oxygen (O2) by volume.
(a) What is the thermal energy of the air in the room?
___________________ J
(b) What fraction of the thermal energy would have to be conveyed to the ball for it to be spontaneously launched to a height of 1.2 m?
____________________
(c) By how much would the air temperature have to decrease to lauch the ball?
____________________ K