Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at...

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Conservation of Momentum and Inelastic Collisions

Transcript of Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at...

Page 1: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

ConservationofMomentumandInelasticCollisions

Page 2: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

Whatismomentum?

Page 3: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =
Page 4: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

Collisions

•  Whatarethetypesofcollisions?

•  Whatisthedifference?

Page 5: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

Range of Possible Collisions

less bounce more bounce

Total Splat!

(Stick)

The Perfect Bounce

Completely

Inelastic

Completely

Elastic

More Inelastic More Elastic

Elasticcollisionsinvolve“bouncing”.Inelasticcollisions,objectsretaintheiroriginalshape. A goodexampleisapooltable.

Inelasticcollisionsinvolve“sticking”.Ininelasticcollisions,objectsaredeformedasaresultoftheinteraction.Agoodexampleisacaraccident.

Page 6: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

InelasticExamples

Page 7: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =
Page 8: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =
Page 9: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

ConservationofMomentum

Total Momentum BEFORE a Collision

Total Momentum AFTER a Collision

=

Page 10: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

(ex)

9 m/s

100 kg 200 kg

total momentum before

(at rest)

total momentum after

300 kgFind the velocity: how much and which way.

v =

Page 11: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

(ex)

9 m/s

100 kg 200 kg

total momentum before

(at rest)

total momentum after

300 kgFind the velocity: how much and which way.

v =

Total Momentum BEFORE a Collision

Total Momentum AFTER a Collision

=

Page 12: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =
Page 13: Conservation of Momentum and Inelastic Collisions · 9 m/s 100 kg 200 kg total momentum before (at rest) total momentum after 300 kg Find the velocity: how much and which way. v =

(2)

3 m/s

40 kg 60 kg

-1 m/s

total momentum before total momentum after

Find the velocity: how much and which way.(Decimal answer)

v =

Total Momentum BEFORE a Collision

Total Momentum AFTER a Collision

=