Suppose that a person riding on the top of a freight car shines a searchlight beam in the direction in which the train is traveling.
how does the speed of the light beam relative to the ground compare to the speed of beam when the train is at rest?

if i am correct, your answer choices are:

a. the temperature remains constant

b. the temperature increases at a constant rate

c. heat flows at a constant rate into the system

d. heat flows at a constant rate out of the system

e. no heat flows into or out of the system

if so, then the answer is e. no heat flows into or out of the system.