Momentum

What is the momentum of a 55 kg object with a velocity of 8.4 m/s?

• 462

• 6.5

• 1940.4

• 4532.2

Tags

NGSS.HS-PS2-2

If you want to change an object's momentum by 400 kg*m/s by applying a force of 10 N, how long do you need to apply the force for?

• 40 s

• 4000 s

• .025 s

• 400 s

Tags

NGSS.HS-PS2-1

Object 1 has a mass of 200 kg and an initial velocity of 50 m/s, and object 2 has a mass of 300 kg and an initial velocity of 70 m/s. What is their total momentum?

• 31000

• 10000

• 21000

• 120

Tags

NGSS.HS-PS2-2

While playing pool, the white cue ball strikes the 8 ball. Before the collision, the cue ball's velocity was 12 m/s and the 8 ball was at rest. If both ball's have a mass of 0.15 kg and the cue ball's velocity after the collision is 4.2 m/s, what is the 8 ball's velocity?

• 7.8 m/s

• 4.2 m/s

• 10 m/s

• 3.5 m/s

Tags

NGSS.HS-PS2-2

A 18 kg bag of dog food is thrown at a speed of 9 m/s into a stationary shopping cart that weighs 4.1 kg. What is the final velocity of the cart and bag?

• 6.1 m/s

• 7.3 m/s

• 9 m/s

• 2 m/s

Tags

NGSS.HS-PS2-2

Marble 1 is sliding down a ramp with a velocity of 8.3 m/s and collides with marble 2 that is sitting at rest. If marble 1 weighs .5 kg and marble 2 weighs .75 kg, what is the final velocity of marble 1?

• -4.5 m/s

• 8.3 m/s

• 0 m/s

• 3.3 m/s

Tags

NGSS.HS-PS2-2

Marble 1 is sliding down a ramp with a velocity of 8.3 m/s and collides with marble 2 that is sitting at rest. If marble 1 weighs .5 kg and marble 2 weighs .75 kg, what is the final velocity of marble 2?

• -4.5 m/s

• 8.3 m/s

• 6.6 m/s

• 0 m/s

Tags

NGSS.HS-PS2-2

A 12 kg blob moving at 13 m/s collides and sticks to a second blob with a mass of 20 kg. If the two blobs stick together, what will the velocity of the two blobs move at?

• 4.97 m/s

• 13 m/s

• 8.1 m/s

• 9.0 m/s

Tags

NGSS.HS-PS2-2

In a physics experiment, two carts of mass 4.5 kg each are rolled towards each other. The orange cart has a velocity of 3 m/s and the blue cart has a velocity of -1.9 m/s. The carts stick together when they collide. Calculate their final speed.

• 0.6 m/s

• 1.0 m/s

• 0.33 m/s

• 0.67 m/s

Tags

NGSS.HS-PS2-2

A 13 kg object moving to the right at 30 m/s collides inelastically with a 13 kg object moving to the left at 30 m/s. The final velocity of both objects will be

• 0 m/s

• 30 m/s

• 40 m/s

• 10 m/s

Tags

NGSS.HS-PS2-2