14. The distance between the sun and galaxy 1 (G1) is 300 billion kilometers. The distance between the sun and galaxy 2 (G2) is 800 billion kilometers. What is the distance
between G1 and G2? (Hint: your answer should be in AU). Show your work.
Sun
G1
G2

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.