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Unit 6: Momentum and Collisions



Day
Tuesday, February 9
Day 0 of U6
(last day of U5)
Focus Question(s):
  • What is momentum? What is impulse? How are they related?
  • What did we learn in Unit 5?

Activities:
  • Collect: MOP Codes, FBDs for Coaster Project, Lab Notebook
  • Lab M1: Balloon Toss
  • Unit 5 Test (60 minutes)


Homework:   
  • Read Chapter 11.1 of your textbook (or The Physics Classroom alternative)


Helpful Links:   





Day
Thursday, February 11
1
Focus Question(s):
  • What is momentum? What is impulse? How are they related?
  • How can the variables of the impulse-momentum change equation be controlled in order to optimize the safety of a collision?

Activities:
  • Discuss Momentum, Impulse, and Impulse-Momentum Change
  • Think Sheet: Impulse=Momentum Change
  • Lab M1: Balloon Toss - complete Post-Lab Analysis questions.
  • Applications: Big T vs;. little t; rebounding
  • Think Sheet: Controlling a Collision
  • Lab M2: Impulse and Momentum Change
    Download: Logger Pro File
  • If time allows, look at Unit 5 Test


Homework:   
  • Read/Study Chapter 11.1 of your textbook (or The Physics Classroom alternative)
  • Minds On Physics - Momentum: Missions MC1 - MC3


Helpful Links:   






Day
Tuesday, February 16
2
Focus Question(s):
  • How can the variables of the impulse-momentum change equation be controlled in order to optimize the safety of a collision?
  • What is meant by the term momentum conservation?

Activities:
  • Think Sheet: Controlling a Collision
  • Demo: Rebounding, Mountain Climber
  • Lab M3: Action-Reaction Lab
  • Post-Lab/Lecture: 3 Things are Always Equal; 1 Thing Can be Different
  • Think Sheet: Momentum Conservation


Homework:   
  • Minds On Physics - Momentum: Missions MC1 - MC3
  • WebAssign: Momentum Ass't 1: Impulse-Momentum Change
  • Read Chapter 11.2 of Book (or online alternative)


Helpful Links:   






Day
Thursday, February 18
3
Focus Question(s):
  • What is meant by the term momentum conservation and under what conditions is momentum conserved?
  • How can the law of conservation of momentum to analyze collisions and to predict post-collision velocities?

Activities:
  • Review/Warm-up: p. 6, Q#4 and p. 7 Before/After Diagrams
  • Problem-Solving: p. 6, Q#2-4
  • Momentum Plus Problems: pp. 15-17, Q#1, Q#8
  • Elastic Collisions - data analysis (p. 9); concept (p and KE is conserved); equation (v1 + v1' = v2 + v2'), problem-solving (p. 16, Q#5)
  • Lab M5 - Inelastic Collisions (Collect Data)


Homework:   
  • Minds On Physics - Momentum: Missions MC6
  • WebAssign: Momentum Ass't 3: Collision Analysis
  • Read Chapter 11.3 of Book (or online alternative)


Helpful Links:   






Day
Monday, February 22
4
Focus Question(s):
  • How can the law of conservation of momentum to analyze collisions and to predict post-collision velocities?
  • How can one combine momentum conservation with other physical principles to solve so-called momentum-plus problems?

Activities:
  • Review/Think Sheet: Action-Reaction and p Conservation:
    p. 3, Q#1-3 as a Warm-up; pp. 3-4, Q#4-8 as guided/individual
  • PhInt: Inelastic Collisions
  • Lab M4: Before and After
  • Collision Analysis (pp. 5-6)
  • As time allows: p. 10, Selected Problems


Homework:   
  • Minds On Physics - Momentum: Missions MC4 - MC5
  • WebAssign: Momentum Ass't 2: Momentum Conservation
  • Read/Study Chapter 11.2 of Book (or online alternative)


Helpful Links:   






Day
Wednesday, February 24
5
Focus Question(s):
  • How can one combine momentum conservation with other physical principles to solve so-called momentum-plus problems?
  • What is an elastic collision and how can one use momentum and energy conservation to analyze an elastic collision problem?

Activities:
  • Momentum as a Guide to Thinking (pp. 9-10)
  • Momentum-Plus Problems: Hendy's Special
  • Elastic Collisions (p. 16, Q#6 and p. 17, Q#7)
  • Lab M5 - Inelastic Collisions (Collect Data/Finish Lab)
  • Quiz on Momentum Conservation


Homework:   
  • WebAssign: Momentum Ass't 4: Collision Analysis
  • Minds On Physics - Momentum: Missions MC10
  • Read/Study Chapter 11.3 of Book (or online alternative)


Helpful Links:   






Day
Friday, February 26
6
Focus Question(s):
  • What is an elastic collision and how can one use momentum and energy conservation to analyze an elastic collision problem?
  • How can momentum conservation be applied to analyze a two-dimensional collision?

Activities:

Homework:   
  • WebAssign: Momentum Ass't 5: Collision Analysis
  • Read/Study Chapter 11.3 of Book (or online alternative)


Helpful Links:   






Day
Tuesday, March 1
7
Focus Question(s):
  • What is an elastic collision and how can one use momentum and energy conservation to analyze an elastic collision problem?
  • How can momentum conservation be applied to analyze a two-dimensional collision?

Activities:
  • Discuss 2-D Collisions; do pp. 11-13
  • Lab M9 - Two-Dimensional Collisions
  • Work Time (20-30 minutes?):
    == WebAssign Makeup Quiz
    == WebAssign Internet Problems
    == WebAssign Momentum Ass't 6
    == Minds On Physics - Missions MC1 - MC6, MC10


Homework:   
  • WebAssign: Momentum Ass't 6: Collision Analysis
  • WebAssign: Momentum Internet Problems
  • Read/Study Chapter 11.3 of Book (or online alternative)


Helpful Links:   






Day
Thursday, February 3
8
Focus Question(s):
  • To be announced.
  • What did we learn this unit?

Activities:
  • Start Unit 7
  • Test on Unit 6


Homework:   
  • To be announced.


Helpful Links:   











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