Momentum/Impulse Practice

In the absence of external forces, total momentum is-

• only conserved in explosions

• always conserved

• only conserved in elastic collisions

• only conserved in inelastic collisions

Tags

NGSS.HS-PS2-2

_____________ is the change in momentum.

• Impulse

• Acceleration

• Kinetic Energy

• Mass

Tags

NGSS.HS-PS2-2

When a moving object collides with a stationary object of identical mass, the stationary object will experience an increase in momentum.

• True

• False

Tags

NGSS.HS-PS2-2

Which of the following statements are true about momentum? (Check all that apply.)

• Momentum is a scalar quantity.

• An object with mass will have momentum.

• An object that is moving will have momentum.

• If an object has momentum, then it has kinetic energy.

• The momentum of an object at rest is 0.

Tags

NGSS.HS-PS2-2

Kinetic energy is-

• conserved in elastic collisions

• conserved in inelastic collisions

• conserved in all collisions

In a physics experiment, two equal-mass carts roll towards each other on a level, low-friction track. One cart rolls rightward at 2 m/s and the other cart rolls leftward at 1 m/s. After the carts collide, they couple (attach together) and roll together with a speed of __________.

• 0.5 m/s

• 0.33 m/s

• 0.67 m/s

• 1.0 m/s

Tags

NGSS.HS-PS2-2

A 3 kg object has a momentum of 12 kg•m/s. The object's speed is ____.

• 36 m/s

• 9 m/s

• 4 m/s

• 0 m/s

Tags

NGSS.HS-PS2-2

An 8 kg bowling ball is traveling at 3 m/s. What is its momentum?

• 2.5 kg m/s

• 15 kg m/s

• 24 kg m/s

• 4.2 kg m/s

Tags

NGSS.HS-PS2-2

If an object having a mass of 12 kg is acted upon by a force that causes its speed to increase from 5 m/s to 10 m/s, the impulse causing this change in speed is?

• 1.1 kg m/s

• 2.4 kg m/s

• 60 kg m/s

• 120 kg m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Which has more momentum, a large truck moving at 30 miles per hour or a small truck moving at 30 miles per hour?

• the large truck

• the small truck

• both have the same momentum

• neither has momentum

Tags

NGSS.HS-PS2-2