chapter 6 ~ day4 · chapter 6 ~ day4 1 sample ap physics presentation file collisions objectives: -...

14
Chapter 6 ~ Day4 www.teachers.PhysicsVodcasts.com 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly inelastic, and inelastic collisions

Upload: others

Post on 19-Aug-2020

8 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 1

Sample AP Physics Presentation File

Collisions Objectives:- Understand the significance of kinetic energy and momentum in elastic, perfectly inelastic, and inelastic collisions

Page 2: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 2

Sample AP Physics Presentation File

Newton's Cradle:

http://commons.wikimedia.org/wiki/File:Newtons_cradle_animation_book.gif

https://www.msu.edu/user/brechtjo/physics/newtonBalls/newtonBalls.html

Not possible!

Page 3: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 3

Sample AP Physics Presentation File

Newton's Cradle:

http://commons.wikimedia.org/wiki/File:Newtons_cradle_animation_book.gif

What would the velocity of the single ball be?

https://www.msu.edu/user/brechtjo/physics/newtonBalls/newtonBalls.html

Why isn't this possible?

If momentum is conserved . . . 

Page 4: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 4

Sample AP Physics Presentation File

p is conservedKE is conserved

Types of Collisions:Elastic:

Page 5: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 5

Sample AP Physics Presentation File

p is conservedKE is conserved

Types of Collisions:Elastic:

­ microscopic collisions­ no deformation­ objects of similar size & shape

Page 6: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 6

Sample AP Physics Presentation File

p is conservedKE is conserved

Types of Collisions:Elastic: ­ microscopic collisions

­ no deformation­ objects of similar size & shape

p is conservedKE is lost

Inelastic:­ KE lost in collision to deformation

Page 7: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 7

Sample AP Physics Presentation File

Energy Lost to Deformation:

Page 8: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 8

Sample AP Physics Presentation File

Energy Lost to Deformation:

Page 9: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 9

Sample AP Physics Presentation File

Energy Lost to Deformation:

Page 10: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 10

Sample AP Physics Presentation File

p is conservedKE is conserved

Types of Collisions:Elastic: ­ microscopic collisions

­ no deformation­ objects of similar size & shape

p is conservedKE is lost

Inelastic:­ KE lost in collision to deformation

p is conservedmax KE is lost

Perfectly Inelastic:

http://www.walter­fendt.de/ph14e/collision.htm

Page 11: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 11

Sample AP Physics Presentation File

p is conservedKE is conserved

Types of Collisions:Elastic: ­ microscopic collisions

­ no deformation­ objects of similar size & shape

p is conservedKE is lost

Inelastic:­ KE lost in collision to deformation

p is conservedmax KE is lost

Perfectly Inelastic: ­ occurs when objects stick together­ may result in loss of all KE

Page 12: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 12

Sample AP Physics Presentation File

­ using momentum to determine velocityBallistics:

Page 13: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 13

Sample AP Physics Presentation File

­ using momentum to determine velocity­ use conservation of momentum during the collision­ may use projectiles after the collision

Ballistics:

Page 14: Chapter 6 ~ Day4 · Chapter 6 ~ Day4 1 Sample AP Physics Presentation File Collisions Objectives: - Understand the significance of kinetic energy and momentum in elastic, perfectly

Chapter 6 ~ Day4

www.teachers.PhysicsVodcasts.com 14

Sample AP Physics Presentation File

­ using momentum to determine velocity­ use conservation of momentum during the collision­ may use projectiles after the collision

Ballistics:

­ may use conservation of energy after the collision