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Momentum p = mv momentum mass velocity Units p = m·v = kg·m/s.

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Presentation on theme: "Momentum p = mv momentum mass velocity Units p = m·v = kg·m/s."— Presentation transcript:

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3 Momentum p = mv momentum mass velocity

4 Units p = m·v = kg·m/s

5 Scalar or Vector p = m·v velocity is a vector Momentum is also a vector

6 Example Carson (9 kg) is sitting in a pumpkin patch. How much momentum does he have?

7 Example Miles (60 kg) just stole the basketball from his opponent and is running down the court at a rate of 5.5 m/s. What is Miles’s momentum?

8 Collisions Elastic End up apart from one another Inelastic Stick together Simulation

9 The total momentum of any group of objects remains the same unless acted on by outside forces.

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11 Total Momentum Before Total Momentum After =

12 Example

13 Example Abdi shoots a paintball gun which shoots a.05 kg paintball at a speed of 20m/s. If the gun has a mass of 6 kg, what is the speed of the gun as it kicks back into his shoulder? BeforeAfter GunPaintballGunPaintball v = 0 m/s v = ?v = 20 m/s

14 Example cont’d Gun PaintballGunPaintball m = v = p = m = v = p = m = v = p = m = v = p = Total p =


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