chapter06-web1

chapter06-web1 - Chapter 6 Momentum and Collisions 1....

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1 Chapter 6 Momentum and Collisions 1. Momentum and Impulse 2. Conservation of Momentum 3. 1D Collisions 4. 2D Collisions
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2 Momentum s What is momentum? s How do I represent it? s How do I calculate it? s What are the SI units?
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3 Impulse s What is impulse? s How do I calculate it? s What are its SI units s Back to Newton’s Second Law
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4 Impulse-Momentum Theorem s What is this theorem? s Average force
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5 Example – Momentum and Impulse 1. A 50-g golf ball is struck with a club as shown. The force on the ball varies from zero when contact is made up to some maximum value (when the ball is deformed) and then back to zero when the ball leaves the club. The force- time graph is also shown. Assume the ball leaves the club face with a velocity of +44m/s 1. Estimate the size and direction of the impulse due to the collision. 2. Estimate the duration of the collision and the average force on the ball.
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6 Injury in Car Collision Data: Survival data for head on collision: Force for bone fracture 90KN, Pressure
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chapter06-web1 - Chapter 6 Momentum and Collisions 1....

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