Test: High School Physics

1.

Which of these would NOT be an example of an inelastic collision?

A match scrapes a matchbook and bursts into flame

Two cars crash into each other, and stop with a loud bang

Neutrons fuse with hydrogen atoms in a nuclear reactor core such that kinetic energy is conserved

Two hydrogen atoms fuse together to form a helium atom and gamma radiation

A man is clapping his hands such that they move with equal, but opposite velocities

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