# Coefficient of restitution

**URL:** <https://forum.makecode.com/t/coefficient-of-restitution/902>\
**Category:** Arcade\
**Created:** [December 16, 2019, 2:00pm UTC](https://forum.makecode.com/t/coefficient-of-restitution/902 "2019-12-16T14:00:19Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![kjw](https://avatars.discourse-cdn.com/v4/letter/k/e79b87/32.png) [@kjw](https://forum.makecode.com/u/kjw)\
**Post date:** [December 17, 2019, 10:51pm UTC](https://forum.makecode.com/t/coefficient-of-restitution/902/4 "2019-12-17T22:51:10Z")

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Thanks.

On subject of collisions there’s also a peculiarity in [Mega-elastic collisions](https://forum.makecode.com/t/mega-elastic-collisions/815) with things bouncing higher over time. Do you know why that is? And low velocities (\<1) behave very strangely, I tacked that on the end of that thread.

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