Linear Momentum

The two blocks shown collide and stick together. What is their momentum after the collision?

• 5 kg m/s

• 10 kg m/s

• 25 kg m/s

• 30 kg m/s

Tags

NGSS.HS-PS2-2

A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

• 14.4 kg

• 1400 kg

• 144 kg

• 360 kg

Tags

NGSS.HS-PS2-2

The momentum of an object depends upon the object's ___________&_____________.

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

Tags

NGSS.HS-PS2-2

What are the units of momentum?

• kg

• m/s

• kg⋅m/s

• N

Tags

NGSS.HS-PS2-2

Which of the following correctly defines impulse?

• change of momentum

• force over time

• magnitude of impact

• all of these are correct

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

NGSS.HS-PS2-3

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N s.

• -2.5

• -10

• -18

• -45

Tags

NGSS.HS-PS2-1

While bowling, a 5-kg bowling ball is accelerated up to a final speed of 7 m/s. How much impulse does this require?

• 0 kg⋅m/s

• 12 kg⋅m/s

• 35 kg⋅m/s

• Cannot be determined

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

Which of these collisions must be inelastic?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-2

What is the impulse of the 3-kg block?

• 4 kg⋅m/s

• 6 kg⋅m/s

• 10 kg⋅m/s

• 20 kg⋅m/s

Tags

NGSS.HS-PS2-2

The collision takes place over 0.1 seconds. What is the magnitude of the force exerted on the 3-kg block?

• 20 N

• 60 N

• 100 N

• 600 N

Tags

NGSS.HS-PS2-1