Impulse and Momentum

Which of the variables control the amount of momentum an object has?(Multiple answers)

• displacement

• Velocity

• Mass

• Magnetic Fields

Tags

NGSS.HS-PS2-2

What object has the most Momentum

• 20kg moving 2m/s

• 20kg moving 8m/s

• 20kg moving 10m/s

• 20kg moving 1m/s

Tags

NGSS.HS-PS2-2

A 5kg object is moving 3m/s, what is the momentum?

• 15kgm/s

• 5kgm/s

• 3kgm/s

• 2kgm/s

Tags

NGSS.HS-PS2-2

What is true about all safety features of a car

• Minimize time of impact

• Maximize time of impact

• Increase force

• Change the impulse of the car

Tags

NGSS.HS-PS2-3

If a force of 50N is applied for 3s what is the change in momentum. (hint J=ft)

• 16.66 kgm/s

• 150 kgm/s

• 15kgm/s

• 144.44kgm/s

Tags

NGSS.HS-PS2-1

A car 5kg crashes into the wall going 6m/s. If the car needs to exert 50N of force on the wall, how much force is the wall applying to the car?

• 300N

• 80N

• 30N

• 50N

Tags

NGSS.HS-PS2-1

A 40kg car smashes into a wall going 70m/s, if it takes 0.25 seconds to come to a stop how much force is the Car applying to the wall?

• 11200N

• 500N

• 200N

• 50N

Tags

NGSS.HS-PS2-1

If a 15N force is applied for 4 seconds to an object going -6m/s how fast will the 5kg object go after the impulse?

• 6m/s

• -6m/s

• 4m/s

• -4m/s

Tags

NGSS.HS-PS2-1

If a 5N force is applied for 4 seconds to an object going -6m/s how much can we get the 5kg object to change speed?

• 6m/s

• 4m/s

• 5m/s

• 8m/s

Tags

NGSS.HS-PS2-1

Which are equivalent(multiple answers)

• Force x time

• Change in momentum

• Impulse

• Power

Tags

NGSS.HS-PS2-2