Which sentence is true about polaris and the sun? a) polaris is not as bright as the sun because it is not hot. b) polaris seems smaller than the sun because it is farther away. c) polaris looks dimmer than the sun because it is a different color. d) polaris is not big like the sun because it does not give off light.

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above