2.16.4Q) Quiz: Momentum and Impulse

Which equation is used to calculate momentum?

• p = mv

• p = m/v

• p = m + v

• p = v / m

Match the quantity to its units.

• kilograms

  (kg)

• time

• kilgram meters per second

  (kg m/s)

• momentum

• Newtons

  (N)

• mass

• meters per second

  (m/s)

• velocity

• seconds

  (s)

• force

Calculate the momentum of the object shown in the picture.

The momentum is ___ kg m/s.

ENTER ONLY THE WHOLE NUMBER.

Calculate the total momentum of this system.

• -6 kg m/s

• +6 kg m/s

• +26 kg m/s

• 160 kg m/s

What velocity should Cart 2 have so that the total momentum of this system is ZERO?

The velocity is ___.

These rockets all have the same mass. The forces shown are all applied for 10 seconds.

Rank these objects (greatest to least) according to their final velocity.

• C

• A

• B

Which rocket will have the smallest change in its velocity?

• A

• B

• C

A 0.250 kg cart moving at 0.400 m/s has how much momentum?

• 0.1 kg-m/s
• 1 kg-m/s
• 10 kg-m/s
• 100 kg-m/s

A 10kg toy truck moves at 5m/s East. It collides head-on with a 5kg toy car moving 10 m/s moving west. What is the total momentum of the system?

• 0 kgm/s
• 30 kgm/s
• 50 kgm/s
• 10 kgm/s

A large box slides across a frictionless surface with a velocity of 12 m/s and a mass of 4 kg,  collides with a smaller box with a mass of 2 kg that is stationary.  The boxes stick together. What is the velocity of the two combined masses after collision?

• 0 m/s
• 4 m/s
• 8 m/s
• 12 m/s