Momentum and Impulse

What is the momentum of a 30 kg penguin sliding at .67 m/s?

• 44.8 kg⋅m/s

• 20.1 kg⋅m/s

• 25 kg⋅m/s

• 67.4 kg⋅m/s

Tags

NGSS.HS-PS2-2

Match the following units with their variables!

• kg⋅m/s

• Time

• kilograms

• Momentum

• seconds

• Velocity

• m/s

• Mass

• Ns

• Impulse

Tags

NGSS.HS-PS2-2

Airbags and collapsible bumpers both ​ (a)   the ​ (b)   to ​ (c)   the force in a collision.

• lengthen
• shorten
• time
• decrease
• work
• increase

Tags

NGSS.HS-PS2-3

A 235 kg train car traveling at 32 m/s slams into another 137 kg train car, which was traveling at -17 m/s. They get entangled and travel off together. What velocity do they have?

• 13.95 m/s

• 42 m/s

• 26.47 m/s

• -13.95 m/s

Tags

NGSS.HS-PS2-2

A 32 kg tuba player trips and runs at 2.1 m/s into a clarinet player at rest. If after the collision, the tuba player travels at .88 m/s and the clarinet player travels at 1.7 m/s, what is the clarinet player's mass?

• 22.96 kg

• 30.03 kg

• 39.04 kg

• 28.16 kg

Tags

NGSS.HS-PS2-2

A 40-kilogram mass is moving across a horizontal surface at 5.0 m/s.  What is the magnitude of the net force required to bring the mass to a stop in 8.0 seconds?

• 1 N
• 40 N
• 25 N
• 5 N

Tags

NGSS.HS-PS2-1

How can a tennis ball and a bowling ball have the same momentum?

• have the same speed
• have different speeds
• one is moving backwards
• they can't

Tags

NGSS.HS-PS2-2

Which has more momentum?

• A parked semi truck

• A moving car

• they have the same amount of momentum

Tags

NGSS.HS-PS2-2

A 5 N force is applied to a 3 kg ball to slow it down from 9 m/s to 3 m/s. What is the impulse on the ball?

• -2.5 N⋅s

• -10 N⋅s

• -18 N⋅s

• -45 N⋅s

Tags

NGSS.HS-PS2-1

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2