Understanding Inelastic Collisions

What type of collision is being analyzed in the video?

• Elastic collision

• Inelastic collision

• Perfectly elastic collision

• Gravitational collision

What is the initial speed of the coal car before the collision?

• 2 meters per second

• 8 meters per second

• 4 meters per second

• 6 meters per second

After the collision, what is the final velocity of the combined mass of the coal car and engine?

• 1 meter per second

• 2 meters per second

• 3 meters per second

• 4 meters per second

Which principle is used to calculate the final velocity after the collision?

• Conservation of energy

• Conservation of mass

• Conservation of momentum

• Conservation of force

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

• 360,000 kg m/s

• 90,000 kg m/s

• 180,000 kg m/s

• 270,000 kg m/s

How much kinetic energy is lost during the collision?

• 360,000 joules

• 720,000 joules

• 180,000 joules

• 540,000 joules

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

• 360,000 joules

• 180,000 joules

• 720,000 joules

• 540,000 joules

In an inelastic collision, what happens to the kinetic energy?

• It is converted into mass

• It is completely conserved

• It is partially lost

• It is doubled

What forms of energy does the lost kinetic energy transform into during the collision?

• Heat and sound

• Electricity and magnetism

• Potential and kinetic

• Light and sound

Which of the following is always conserved in any type of collision?

• Momentum

• Potential energy

• Kinetic energy

• Mass