Momentum, impulse and collisions

Calculate the momentum of a 1kg car that is moving at a velocity of 50m/s?

• 49 kg m/s

• 50 kg m/s

• 51 kg m/s

• 52 kg m/s

Tags

NGSS.HS-PS2-2

What is the symbol used for momentum?

• m

• t

• p

• v

Tags

NGSS.HS-PS2-2

What are the two factors that affect the momentum of an object?

• speed and velocity

• time and mass

• distance and displacement

• mass and velocity

Tags

NGSS.HS-PS2-2

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

Tags

NGSS.HS-PS2-2

Which object has the greatest momentum?

• An 18-wheeler tractor trailer at rest.
• An average mass person walking.
• A sports car driving on the highway.

Tags

NGSS.HS-PS2-2

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

If an object is not moving, what is its momentum?

• 0 kg*m/s

• Impossible to determine without knowing the mass

• 1 kg*m/s

• 10 kg*m/s

Momentum is a ____________________ quantity

• science

• scalar

• vector

• energy

Tags

NGSS.HS-PS2-2

T/F: A big truck will always have more momentum than a small car.

• True

• False

Tags

NGSS.HS-PS2-2

A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. The railroad car is brought to a sudden stop while the boxcar moves away from the collision. At what speed will the second boxcar move?

• 18.6 m/s

• 9.3 m/s

• 7.5 m/s

• 1.86 m/s

Tags

NGSS.HS-PS2-2