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Conservation of Momentum

Authored by Scott Sowers

Science, Chemistry

9th - 12th Grade

22 Questions

NGSS covered

Used 5+ times

Conservation of Momentum
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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

While playing pool, the white cue ball strikes the 8 ball. Before the collision, the cue ball's velocity was 10 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 2 m/s, what is the 8 ball's velocity?

2 m/s
8 m/s
-2 m/s
1.5 m/s

Tags

NGSS.HS-PS2-2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In a physics experiment, two carts of mass 1.5 kg each are rolled towards each other.  The orange cart has a velocity of 2 m/s and the blue cart has a velocity of -1m/s.  The carts stick together when they collide.  Calculate their final speed.

0.5 m/s
1.0 m/s
0.33 m/s
0.67 m/s

Tags

NGSS.HS-PS2-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of 6 m/s and 8 m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be:

2 m/s 
3.4 m/s 
4.6 m/s 
7.1 m/s

Tags

NGSS.HS-PS2-2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

An 1 kg object moving to the right at 2 m/s collides inelastically with a 1 kg object moving to the left at 2 m/s. The final velocity of both objects will be 

0 m/s
1 m/s
2 m/s
4 m/s

Tags

NGSS.HS-PS2-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A large box slides across a frictionless surface with a velocity of 12 m/s and a mass of 4 kg,  collides with a smaller box with a mass of 2 kg that is stationary.  The boxes stick together. What is the velocity of the two combined masses after collision?

0 m/s
4 m/s
8 m/s
12 m/s

Tags

NGSS.HS-PS2-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The total momentum before a collision is _________ the total momentum after a collision.

equal to 
less than 
more than
It depends on the type of collision

Tags

NGSS.HS-PS2-2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A 120 kg lineman moving at -2 m/s tackles an 80 kg fullback moving at +8 m/s. If the fullback's velocity after they collide is +2 m/s, what is the lineman's velocity?

2 m/s
8.7 m/s
4.7 m/s
6 m/s

Tags

NGSS.HS-PS2-2

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