Elastic and Inelastic Collisions
Presentation
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Physics
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9th - 12th Grade
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Practice Problem
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Easy
+1
Standards-aligned
Miranda Kaufman
Used 77+ times
FREE Resource
15 Slides • 9 Questions
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Elastic and Inelastic Collisions
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In the elastic collisions from our lab, the 2 carts bounced off each other and went in the other direction
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Multiple Select
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In the inelastic collisions from our lab, the 2 carts did NOT bounce off each other, they stuck together and went in the same direction
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Open Ended
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With elastic collisions, kinetic energy is conserved. With inelastic, kinetic energy is not conserved (some is lost)
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Elastic
Like 2 pool (billiard) balls colliding, they bounce off each other.
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If we kick a soccer ball perfectly straight on, it will go far.
This would be perfectly (or as close to perfect as possible) ELASTIC
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If we kind of miss a little and not kick the ball perfectly, it won't go as far
This would be INELASTIC, which is what most collisions are like.
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Poll
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Inelastic
Like 2 cars crashing into eachother, they do NOT bounce (I hope) and a lot of kinetic energy is lost to sound and heat.
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Open Ended
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Multiple Select
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Multiple Select
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Why are collisions inelastic at all? Because of the things colliding.
A rubber band bounces back to its original position when stretched (elastic). A car does NOT bounce back.
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Open Ended
Remember the car going 15 m/s is in the opposite direction, so V2i = -15
Elastic and Inelastic Collisions
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