Unit 6: Momentum and Collisions
Day
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Tuesday, February 9
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Day 0 of U6
(last day of U5)
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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:
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Day
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Thursday, February 11
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1
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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:
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Day
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Tuesday, February 16
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2
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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:
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Day
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Thursday, February 18
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3
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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:
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Day
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Monday, February 22
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4
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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:
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Day
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Wednesday, February 24
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5
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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:
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Day
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Friday, February 26
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6
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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:
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Day
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Tuesday, March 1
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7
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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:
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Day
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Thursday, February 3
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8
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Focus Question(s):
- To be announced.
- What did we learn this unit?
Activities:
- Start Unit 7
- Test on Unit 6
Homework:
Helpful Links:
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