Momentum and Inelastic Collisions Quiz

What is the mass of the car involved in the collision?

• 2,500 kg

• 2,000 kg

• 1,500 kg

• 3,000 kg

In which direction is the truck traveling before the collision?

• Upwards

• To the left

• Downwards

• To the right

What principle is used to determine the final velocity after the collision?

• Conservation of Momentum

• Conservation of Force

• Conservation of Mass

• Conservation of Energy

How is the velocity of the truck considered in the momentum equation?

• As a positive value

• As zero

• As a constant

• As a negative value

What is the approximate final velocity of the combined car and truck after the collision?

• 8.9 m/s to the left

• 15 m/s to the left

• 8.9 m/s to the right

• 0 m/s

What is the initial kinetic energy of the car before the collision?

• 1,500 kJ

• 500 kJ

• 729 kJ

• 1,000 kJ

How much kinetic energy is lost in the collision?

• 500 kJ

• 2,000 kJ

• 1,348 kJ

• 1,000 kJ

What is the final kinetic energy of the system after the collision?

• 2,847 kJ

• 1,000 kJ

• 2,000 kJ

• 1,499 kJ

Why is the velocity of the truck considered negative in the calculations?

• Because it has a larger mass

• Because it is moving in the opposite direction to the car

• Because it is moving faster than the car

• Because it is stationary

What is the most important factor to remember about the truck's movement in this problem?

• Its mass

• Its speed

• Its color

• Its direction