Collision and Momentum Quiz

What direction is considered positive in the collision problem?

• West

• East

• South

• North

What is the momentum of the blue cart before the collision?

• -25 units

• 25 units

• 50 units

• -50 units

What is the total momentum of the system before the collision?

• 20 units

• 45 units

• 0 units

• 70 units

What is the velocity of the red cart after the collision?

• 10 cm/s east

• 10 cm/s west

• -10 cm/s east

• -10 cm/s west

What is the speed of the red cart after the collision?

• 5 cm/s

• 10 cm/s

• 20 cm/s

• 15 cm/s