10 pts! two objects of different mass have equal, non-zero kinetic energies. which object has the greater momentum?
the heavier object, the lighter object, or do they have the same momentum? the internet says the heavier object. give an explanation also.

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.