Momentum and Collisions Review

A 0.250 kg cart moving at 0.400 m/s has how much momentum?

• 0.1 kg-m/s

• 1 kg-m/s

• 10 kg-m/s

• 100 kg-m/s

Tags

NGSS.HS-PS2-2

A runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s. What is his mass?

• 6030 kg

• 0.0134 kg

• 74.4 kg

• 80 kg

Tags

NGSS.HS-PS2-2

How much momentum would a 200kg car have at 27 m/s?

• 0.135 N

• 7.4 kg•m/s

• 5400 kg•m/s

• 5400 N

Tags

NGSS.HS-PS2-2

Calculate the force of used by a 100kg player stopping from 12 m/s in a 1.5 second collision.

• 8.3 N

• 150 N

• 800 N

• 1200 N

Tags

NGSS.HS-PS2-1

Which of the following is an example of a perfectly inelastic collision?

• Two billiard balls colliding and bouncing off each other.

• A car crash where the cars stick together.

• A rubber ball bouncing off the ground.

• A tennis ball hitting a racket and bouncing back.

Tags

NGSS.HS-PS2-2

Tags

NGSS.HS-PS2-2

A 2 kg object moving at 3 m/s collides elastically with a 1 kg object at rest. What is the velocity of the 1 kg object after the collision?

• 1 m/s

• 2 m/s

• 3 m/s

• 4 m/s

Tags

NGSS.HS-PS2-2

What happens to the momentum of a system if no external forces act on it?

• It increases.

• It decreases.

• It remains constant.

• It becomes zero.

Tags

DOK Level 2: Skill/Concept

What is the momentum of a 5 kg object moving at a velocity of 10 m/s?

• 50 kg·m/s

• 5 kg·m/s

• 10 kg·m/s

• 15 kg·m/s

Tags

NGSS.HS-PS2-2

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum

• total speed

• total Velocity

• Energy

Tags

NGSS.HS-PS2-2