Two Beams of Particles Can Be Made to Collide Head-On

question 5

Multiple Choice

Two beams of particles can be made to collide head-on at the point where the reactions are studied, providing a larger collision energy than from collisions with a stationary target. This must be true because to calculate available energy

• A) what counts is the velocity of the particles relative to the Earth's rotation.
• B) what counts is the velocity of the particles relative to the distant stars.
• C) actual velocities are more important than relative velocities.
• D) actual velocities are less important than relative velocities.

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