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Grade: 11

                        

Discuss the possibility that, if only we could take into account internal motions of atoms in objects, all collisions are elastic.

5 years ago

Answers : (1)

Aditi Chauhan
askIITians Faculty
396 Points
							The entropy of an object depends upon the internal motion of atoms in objects. In an isolated object, if the internal atoms are not interacting with each other, then the entropy of the object will be decrease with time. The decrease in entropy of the object signifies that the object will lose energy. Therefore the collision will not be elastic, because in an elastic collision both momentum and energy is conserved. Thus from the above observation we conclude that, in an isolated object all collisions are elastic if only we could take into account internal motions of atoms in objects.
5 years ago
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