Recent content by kimpantip

ifΔs=0 it reversible, object is able to rise! so i think that Δs>0

The thing that I wonder is how can entropy increase while the object is falling in spite of no air resistant and no collision on the ground.

Dear sir, Hi, Everyone. I have a question about entropy. If the object falls without air resistant (vacuum system) , Is entropy changed? If ΔS=0, it means reversible, is it possible that the object can go back to the original height? I know that it is impossible but can we explain that ΔS...