momentum

Which is the most important factor in an object's momentum?

(2 answers)

• shape

• mass

• velocity

• volume

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

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

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum
• total speed
• total Velocity
• Energy

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

What is momentum?

• How difficult something is to speed up

• How difficult something is to stop

• How difficult something is to slow down

• How difficult something is to accelerate

What is the total momentum for a closed system where a 3.0 kg mass is traveling at 2.0 m/s and a 6.0 kg mass is at rest.

• 0 kg m/s

• 2 kg m/s

• 5 kg m/s

• 6 kg m/s

Tags

NGSS.HS-PS2-2