Momentum and Impulse

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

• size and shape
• mass and speed
• mass and velocity
• mass and energy

Tags

NGSS.HS-PS2-2

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• car
• bike
• they are equal
• cannot determine using the info provided

Tags

NGSS.HS-PS2-2

A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?

• 22 m/s
• .2 m/s
• 5.0 m/s
• 20 m/s

Tags

NGSS.HS-PS2-2

An object with a mass of 2000 kg at rest has what momentum?

• 2000 kg m/sec
• 0 kg m/sec
• 2000 kg
• 2000 m/sec

Tags

NGSS.HS-PS2-2

A 0.250 kg cart moving at 0.500 m/s has how much momentum?

• 0.5 kg*m/s
• .125 kg*m/s
• 12.5 kg*m/s
• 10 kg*m/s

Tags

NGSS.HS-PS2-2

A .030 kg bullet is fired from a gun with a speed of 350 m/s. If the gun has a mass of 0.9 kg, What is the recoil speed of the gun (this is an explosion)?

• 11.7 m/s
• 9.0 m/s
• 10.5 m/s
• 10 m/s

A 9 kg blob moving at 5 m/s collides and sticks to a second blob with a mass of 5 kg. If the two bobs 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

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

How can a tennis ball and a bowling ball have the same momentum?

• have the same speed
• have different speeds
• one is moving backwards
• they can't

Tags

NGSS.HS-PS2-2

When two objects collide, the Momentum_before is ____________ the Momentum_after.

• more than 
• less than 
• equal to
• unrelated to

Tags

NGSS.HS-PS2-2