# Relativity Formula

As per the theory of Special relativity, length, time, momentum, and energy depends on the velocity of one reference frame relative to another. A person on a spaceship moving near the light speed will measure length, time, momentum, and energy differently than an observer that is outside the ship. The formula that relates a value in one reference frame to the value in another is labelled with the Greek letter  (“gamma”). It is unitless and depends on the velocity divided by the light speed.

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#### Practise This Question

5ab3 + 22abc + 10bc is a ____________ term.