Momentum

What are the two factors that affect the momentum of an object?

• speed and velocity

• time and mass

• distance and displacement

• mass and velocity

Tags

NGSS.HS-PS2-2

What is the momentum of 11 kg wagon rolling down a hill at 10 m/s?

• 100 kg m/s

• 110 kg m/s

• 120 kg m/s

• 130 kg m/s

Tags

NGSS.HS-PS2-2

A track athlete throws a discus that has a momentum of 42kg m/s into a field with a velocity of 21 m/s. What is the mass of the discus?

• 1 kg

• 2 kg

• 3 kg

• 4 kg

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. The railroad car is brought to a sudden stop while the boxcar moves away from the collision. 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

Which of the following has the greatest momentum?

• a scurrying cockroach

• a parked semi-truck

• more information is needed

Tags

NGSS.HS-PS2-2

A large box slides across a frictionless surface with a velocity of 12 m/s and a mass of 4 kg,  collides with a smaller box with a mass of 2 kg that is stationary.  The boxes stick together. What is the velocity of the two combined masses after collision?

• 0 m/s
• 4 m/s
• 8 m/s
• 12 m/s

Tags

NGSS.HS-PS2-2

The law of conservation of momentum states that, 

• p before is less than p after
• p before is the same as p after
• p before is more than p after

Tags

NGSS.HS-PS2-2

Which object has the greatest momentum?

• soccer ball
• baseball
• bowling ball
• cannot be determined

Tags

NGSS.HS-PS2-2