27. The velocity of an airplane is a constant 223. How long in seconds) would it take the plane to fly 721 km (721000 m)? Round your answer to the nearest thousandth, if necessary
Time =

answer: 31, 5556. 952 seconds

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.