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


Answer: D

Physics & Space Science

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