A skater begins to spin with arms held out at shoulder height. The skater wants to match the speed of the spin to the beat of the music. How does the skater use knowledge of the conservation of momentum to do this?

***Not sure how to explain this? :/ @apoorvk :)

Question

A skater begins to spin with arms held out at shoulder height. The skater wants to match the speed of the spin to the beat of the music. How does the skater use knowledge of the conservation of momentum to do this?

***Not sure how to explain this? :/ @apoorvk :)

apoorvk · Answer

Okay. So. Do you have a revolving chair at home?

anonymous · Answer

yes:)

anonymous · Answer

it spins and spins!

apoorvk · Answer

Okay. Watch this video - It will explain everything. https://www.youtube.com/watch?v=_eMH07Tghs0

apoorvk · Answer

https://www.youtube.com/watch?v=rRSAMTXgoow This one's better.