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This tag is for questions relating to collision which is the interaction between two or more bodies that results in physical contact and an exchange of momentum between the bodies involved. When it happens, kinetic energy is often exchanged between the molecules’ translational motion and their internal degrees of freedom.

0 votes
1 answer
333 views

Direct collision on smooth surface

In this problem $e=e$ I have found that the speeds after collision 1 are $u(1-e)$ and $u(1+e)$. …
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1 vote
1 answer
503 views

Using the central equation for inelastic collisions entropy change

Take a constant temperature system where a ball travelling at $5ms^{-1}$ strikes a stationary ball and sticks to it in an inelastic collision. …
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  • 316
3 votes
2 answers
5k views

Hockey puck collision [closed]

The angels between centres at collision is 30 degrees. I must find the angular velocity of the two pucks stuck together. …
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  • 316