Physics A Momentum Review

Which of the following has the MOST momentum?

• rolling ping-pong ball

• rolling bowling ball

• rolling soccer ball

• rolling basketball

Tags

NGSS.HS-PS2-2

Which object has more momentum?

• motorcycle at 15 mph?

• bike at 15 mph

• car at a stoplight

• runner at 10 mph

Tags

NGSS.HS-PS2-2

If an object has a momentum of 40 kgm/s and a mass of 60 kg, what is it's velocity?

• 2400 m/s

• 1.5 m/s

• 240 m/s

• .67 m/s

Tags

NGSS.HS-PS2-2

If an object has a velocity of 15 m/s and a momentum of 30 m/s, what is its mass?

• 450 m/s

• 2 m/s

• 4,500 m/s

• .5 m/s

Tags

NGSS.HS-PS2-2

If an object has a mass of 20 kg and a velocity of 4 m/s, what is the momentum of the object?

• 80 kgm/s

• 4 kgm/s

• 5 kgm/s

• .2 kgm/s

Tags

NGSS.HS-PS2-2

An object has a mass of 5 kg, a displacement of 5 m, and a time of 25 s, what is its momentum?

• 1 kgm/s

• 750 kgm/s

• 25 kgm/s

• 625 kgm/s

Which of the following is NOT a unit of momentum?

• kg*m/s

• N*s

• kg*mph

• kg*m/s²

Tags

NGSS.HS-PS2-2

Most modern vehicles have padded dashboards. This reduces collision injuries by...

• reducing the driver's change in momentum
• increasing the driver's change in momentum
• increasing the force of impact
• increasing the time of impact

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-3

In an elastic collision, ______ is conserved.

• Momentum only

• Kinetic Energy only

• Both momentum and energy

Tags

NGSS.HS-PS2-2

In a perfectly inelastic collision, ______ is conserved. 

• Momentum only
• Kinetic Energy only
• Both momentum and kinetic energy

Tags

NGSS.HS-PS2-2