Momentum

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

• size and shape
• mass and speed
• mass and veloctiy
• mass and energy

Tags

CCSS.7.RP.A.3

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

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 runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

• 14.4 kg
• 1400 kg
• 144 kg
• 360 kg

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 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

A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. 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

The impulse is ______ the change in momentum

• Greater than
• Equal to
• less than
• always double

Tags

NGSS.HS-PS2-2