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# What is the symbol u in physics?

Updated: 8/11/2023

Wiki User

13y ago

This has quite a few meanings, the most common is the starting velocity of an object. u is also somtimes used for kinetic energy

U, written majuscule, is the symbol of the potential energy in U.S.

the miniscule u can be the symbol of Atomic Mass unit,

e.g 1 atomic mass unit (u) = 1.66053886 × 10-27 kilograms

Wiki User

13y ago

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