Impulse & Momentum

A system of objects has a momentum of 200 kg*m/s before collision. If there are no net external forces acting on the system, what is the momentum after the collision?

• 100 kg*m/s

• 200 kg*m/s

• 400 kg*m/s

• I don't know

Tags

NGSS.HS-PS2-2

Which of the following scenarios are examples of an inelastic collision? Select all that apply.

• T-bone car crash

• Pool cue hitting the 8 ball

• Linebacker tackling a running back

• Pinball machine

Consider the coefficient of restitution for 4 objects. If objects are dropped from the same height, which object will have the highest bounce?

Object A: e = 0.05

Object B: e = 0.50

Object C: e = 0.95

Object D: e = 1.0

• Object A

• Object B

• Object C

• Object D

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following will increase impulse? Select all that apply.

• Increasing force

• Increasing time

• Decreasing force

• Decreasing time

Which scenario(s) use impulse to increase momentum? Select all that apply.

• Catching a water ballon

• Throwing a javelin

• High jumping

• Airbag deployment during crash