# Unit 4 Packet

Regular Physics
To optimize your use of this resource, click on the links for individual questions in your unit packet. The link will bring you to online help related to that question. Carefully read the resource material and procede to answer the questions in your unit packet. Answers and complete solutions to the Supplementary Challenges section can also be reviewed.

Objective 1

Balloon Toss Lab (pp. 1-2)

Momentum and Impulse (pp. 3-4)

Objective 2

Momentum and Impulse Phenomena (pp. 5-6)

Objective 3

Action and Reaction in Collisions (pp. 7-8)

Three-Stage Human Rocket Lab (pp. 9-10)

Momentum Conservation (pp. 11-12)

The Cart and the Brick Lab (pp. 13-15)

Collision Analysis (pp. 17-18)

The Cannon Lab (pp. 19-20)

Objective 4

Collisions in Two-Dimensions (pp. 21-24)

### Balloon Toss (pp. 1-2)

Momentum

Impulse

Impulse-Momentum Change Theorem

### Momentum and Impulse (pp. 3-4)

#1 Momentum as m*v and Ticker Tape

#3 Impulse and Momentum Change in a Collision

#4 Impulse-Momentum Change Equation

#5 Impulse-Momentum Change Equation

#6 Impulse-Momentum Change Equation

### Momentum and Impulse Phenomena (pp. 5-6)

#1 Delta v-t Relation in a Collision (for a constant force)

#2 F-t Relation in a Collision (for a constant momentum change)

#3 F-t Relation in a Collision (for a constant momentum change)

#4 Impulse-Momentum Change and Rebounding

#5 Impulse-Momentum Change and Rebounding

#6 Impulse-Momentum Change Equation

### Action and Reaction in Collisions (pp. 7-8)

#1 Action-Reaction Forces and Resulting Accelerations

#2 Action-Reaction Forces and Resulting Accelerations

#3 Momentum Changes in Collisions

#4 Action-Reaction Forces and Resulting Accelerations

Impulse and Momentum Change in a Collision

#5 Action-Reaction Forces and Resulting Accelerations

#6 Action-Reaction Forces and Resulting Accelerations

#7 Action-Reaction Forces

#8 Action-Reaction Forces

### Three-Stage Human Rocket Lab (pp. 9-10)

Action-Reaction Forces

Accelerations Resulting from Action-Reaction Forces

Law of Momentum Conservation

### Momentum Conservation (pp. 11-12)

#1 Recognizing Isolated Systems/Internal vs. External Forces

#2 Momentum Conservation

#3 Momentum Conservation

#4 Momentum Conservation

#5 Momentum Conservation

#6 Momentum Conservation

#7 Momentum Conservation

### The Cart and The Brick Lab (pp. 13-15)

Momentum Conservation

Isolated Systems/Internal vs. External Forces

Ticker Tape

### Collision Analysis (pp. 17-18)

#1 Momentum Conservation Problem-Solving

#2 Momentum Conservation Problem-Solving

#3 Momentum Conservation Problem-Solving

#4 Momentum Conservation Problem-Solving

### The Cannon Lab (pp. 19-20)

Momentum Conservation

Momentum Conservation: Problem-Solving

Momentum Conservation in Explosions

### Momentum Conservation in 2-Dimensions (pp. 21-24)

#2 Vector Resolution

#3a,b Newton's Second Law

#3a,b Vector Resolution

#3d Describing Projectiles with Numbers

#5 Motion Characteristics of a Projectile

### Supplementary Challenges

See answers and accompanying solutions to all odd-numbered problems.

Additional resources for physics students are available through links on the GBS Physics Home Page. Such resources include the Multimedia Physics Studios , a collection of animations and movies which illustrate key physics concepts and the Shockwave Physics Studios, a collection of interactive Shockwave exercises.