Take this Quiz: GCSE Physics: Momentum (Higher) | Zestly

Question 1

A 0.5 kg ball moving at 4 m/s to the right strikes a 0.5 kg ball moving at 2 m/s to the left. If they stick together upon impact, what is their combined velocity immediately after the collision?

Accepted Answer

1 m/s to the right

Question 2

A 60 kg skater A is at rest and pushes off a 40 kg skater B. If skater B moves away at 3 m/s, what is the velocity of skater A?

Accepted Answer

-2 m/s

Question 3

A 1200 kg car traveling at 20 m/s hits a stationary 800 kg car. They lock together. What is their common velocity after the collision?

Accepted Answer

12 m/s

Question 4

A 0.2 kg object moving at 5 m/s hits a wall and bounces back at 3 m/s. Which of the following are true regarding this interaction?

Answer

The change in momentum is 0.4 kg m/s.

Answer

The change in momentum is 1.6 kg m/s.

Answer

The direction of the change in momentum is away from the wall.

Answer

The wall exerts no force on the object.

Question 5

A 50 kg athlete jumps onto a 10 kg stationary skateboard. If the athlete was moving at 2 m/s, what is the velocity of the athlete and skateboard together?

Answer

1.2 m/s

Answer

1.5 m/s

Answer

1.8 m/s

Answer

1.67 m/s