Author Question: In each cycle an engine gets 50. J from the combustion of fuel and it expels 45. J of heat to the ... (Read 77 times)

mpobi80 · **on:** Jul 27, 2018

In each cycle an engine gets 50. J from the combustion of fuel and it expels 45. J of heat to the environment at 13.C. What is the minimum possible temperature at which the 50. J could be taken in?

A) 45C
B) 33C
C) 20C
D) 27C
E) 23C

Question 2

If life exists in Uranus and Neptune, it will most likely be found

A) in the oceans of liquid ices beneath the surface
B) floating on the surface of a layer of liquid metallic hydrogen
C) high in the atmosphere where it could collect solar radiation
D) at the center, close to the rocky core where a rocky surface exists