Is the follow equality true? $$\left| \overrightarrow {u}\right| =u$$ I wonder, because on AP Physics formula sheets, sometimes the magnitude of a vector is clearly denoted, while other times the quantity is written as scalar with no vector arrow.
2026-04-23 10:18:32.1776939512
Vector magnitude notation
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Strictly speaking it's false. The barrel/double barrel around the vector should be used.