Impulse and Momentum Quiz

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# Impulse and Momentum Quiz - PowerPoint PPT Presentation

Impulse and Momentum Quiz. Linear Impulse and Momentum Angular Impulse and Momentum Conservation of Momentum. 1. What are the correct SI units for an angular impulse?. a) N.s b) kg.m/s c) N.m.s d) kg.m/s 2.

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Impulse and Momentum Quiz
• Linear Impulse and Momentum
• Angular Impulse and Momentum
• Conservation of Momentum

a) N.s

b) kg.m/s

c) N.m.s

d) kg.m/s2

a) 4.36 m/s

b) 53.5 m/s

c) 30.6 m/s

d) 5.45 m/s

### 3. If a person is motionless and stops a positively spinning flywheel that has a vertical axle, the person will _______.

a) stay motionless

b) spin positively

c) spin negatively

d) become confused

### 4. What is the linear momentum of a runner who weighs 500 newtons and has a horizontal velocity of 8.00 m/s?

a) 4000 kg.m/s

b) 3920 kg.m/s

c) 500 kg.m/s

d) 408 kg.m/s

5. If a figure skater takes off with an angular velocity of 5.0 rad/s and I=15 kg.m2 and then reduces her I to 8 kg.m2 what’s her final velocity?

a) 125.0 m/s

b) 100.0 m/s

c) 126.3 m/s

d) 115.0 m/s