What is momentum a measure of?

• The force applied to an object

• The product of an object's mass and velocity

• The distance an object travels

• The time it takes for an object to stop

Tags

NGSS.HS-PS2-2

Which of the following is true about momentum?

• It is measured in meters per second

• It is a scalar quantity

• It is independent of velocity

• It is a vector quantity

Tags

NGSS.HS-PS2-2

If two objects have the same mass but different velocities, what can be said about their momentum?

• The object with lower velocity has more momentum

• Their momentum cannot be compared

• They have the same momentum

• The object with higher velocity has more momentum

Tags

NGSS.HS-PS2-2

Calculate the momentum of a 200 kg object traveling at 15 m/s to the east.

• 300 kg m/s

• 30000 kg m/s

• 30 kg m/s

• 3000 kg m/s

Tags

NGSS.HS-PS2-2

What is impulse?

• The product of mass and velocity

• The distance traveled by an object

• The change in an object's position

• The force applied over a time interval

Tags

NGSS.HS-PS2-2

How is impulse related to momentum?

• Impulse is the sum of momentum

• Impulse is the product of momentum

• Impulse is the change in momentum

• Impulse is the difference in mass

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

A 5 kg object changes its velocity from 5 m/s east to 8 m/s west. What is the impulse given to the object?

• -65 kg m/s

• 65 kg m/s

• -15 kg m/s

• 15 kg m/s

Tags

NGSS.HS-PS2-2

What is the formula for calculating impulse?

• Impulse = mass × velocity

• Impulse = force × time

• Impulse = mass × change in velocity

• Impulse = force × distance

A ball with a mass of 0.6 kg hits a wall with a velocity of 10 m/s and rebounds with a velocity of 5 m/s. If the force applied by the wall is 4000 N, what is the contact time?

• 2.25 × 10^-4 s

• 2.25 × 10^-2 s

• 2.25 × 10^-3 s

• 2.25 × 10^-1 s

Tags

NGSS.HS-PS2-1

What is the unit of impulse?

• Meter per second

• Newton-second

• Newton

• Kilogram

Tags

NGSS.HS-PS2-2