Momentum Collisions and Impulse

The equation to calculate momentum is

• p=mv

• p=1/2mv²

• p=mgh

• p=mg

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

Which object listed below has the greatest momentum?

• 0.05 kg object rolling at 0.2 m/s.

• 0.15 kg object rolling at 2 m/s.

• 0.15 kg object rolling at 1 m/s

• 0.4 kg object rolling at 2 m/s.

Tags

NGSS.HS-PS2-2

A 9 kg blob moving at 5 m/s collides and sticks to a second blob at rest with a mass of 5 kg. If the two blobs stick together, what will the velocity of the two blobs move at?

• 3.57 m/s

• 3.2 m/s

• 10.0  m/s

• 9.0  m/s

Tags

NGSS.HS-PS2-2

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

Tags

NGSS.HS-PS2-2

A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision.  What is the velocity of the second ball after the collision? 

• 5 m/s

• 2.5 m/s

• 10 m/s

• 7.5 m/s

Tags

NGSS.HS-PS2-2

The impulse is ______ the change in momentum

• Greater than

• Equal to

• less than

• always double

Tags

NGSS.HS-PS2-2

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum

• total speed

• total Velocity

• Energy

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

Which of the following has the greatest momentum? 

• a scurrying cockroach

• a parked semi-truck

• more information is needed

Tags

NGSS.HS-PS2-2

What is the unit for momentum?

• m/sec

• kg/sec

• kg/m

• kg m/sec

Tags

NGSS.HS-PS2-2