Momentum

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum

• total speed

• total Velocity

• Energy

Tags

NGSS.HS-PS2-2

Before a car accident, two cars had a total momentum of 1500 kg m/s. After the collision, what is the total momentum?

• not enough information

• 1500 kg m/s

• 750 m/s

• 3000 m/s

Tags

NGSS.HS-PS2-2

What is the momentum of a 55kg person running at 7 m/s? Do not include units

Mathematical Equivalence

OFF

Tags

NGSS.HS-PS2-2

If a 100kg car has a momentum of 2000 kg m/s, how fast is it going? Do not include units

Mathematical Equivalence

ON

Tags

NGSS.HS-PS2-2

When two objects collide, the P_before is ____________ the P_after.

• more than 

• less than 

• equal to

• unrelated to

Tags

NGSS.HS-PS2-2

A 50kg skater has a momentum of 500 kg m/s. How fast are they going? Do not include units

Mathematical Equivalence

ON

Tags

NGSS.HS-PS2-2

If a momentum car is moving at 2 kg m/s and crashes into a stationary momentum car, how much momentum would transfer over to the stationary car?

• all of the momentum

• half of the momentum

• a little bit of the momentum

• zero momentum

Tags

NGSS.HS-PS2-2

Determine the momentum of 1000-kg car moving northward at 20 m/s.........

• 20,000 N

• 20,000 Joules

• 20,000 Kg * m/s

• 20,000 kg * m/s north

Tags

NGSS.HS-PS2-2

The impulse acting on an object is always equal to its change in _____.

• Momentum

• Energy

• Position

• Velocity

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