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

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

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

• 20000 N

• 20000 Joules

• 20000 kg * m/s south

• 10000 kg * m/s south

A runner has a momentum of 700 kg m/s and is traveling at a velocity of 7 m/s. What is his mass?

• 10.0 kg

• 4900 kg

• 100 kg

• 0.01 kg

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

A 25 kg cart moving at 5 m/s has how much momentum?

• 5 kg*m/s

• 125 kg*m/s

• 125 kg

• 12.5 kg*m/s

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

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

• True
• False

Tags

NGSS.HS-PS2-2