Why Some Balls Don't Bounce | A Moment of Science | PBS

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This time on a Moment of Science...

Host: Mandy Striph
Developed for video by: Adam Schweigert
Opening Sequence Editor: Nick Chafin
Opening Sequence Graphics: Nick Chafin, Dave Gonzalez

Editor: Eric Bolstridge
Videographer: Justin Crossley
Production Assistant: Molly Plunkett
Writers: Don Glass, Susan Linville, William Orem, Jeremy Shere, Eric Sonstroem
  1. A Moment of Science
  2. dead balls don't bounce
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Комментарии
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The bounce ball will also feel hot, try after a game of squash. Its because the bouncy ball is one piece wich wants to retain its shape after being deformed. A hacky sack if made of a lot of tiny pieces surrounded by a sack. The sack doesnt want to retain its shape bacause theres enough room inside for the little things to spread out.

custommodelmaking
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"Balls out" comment wasn't cute; means I can't use this in elementary classroom.

speedgriffon
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Cool, thanks! This helped me understand the physics concept of impulse.

bonfire_lightning
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should mention elasticity. take all of the beads out and the hacky sack still won't bounce

precisionwresonance
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Didn't answer any questions. Why does a steel ball bounce if it's steel?

DavesRange