Time differential, abbreviated as \(\Delta t'\), is the time that has passed as measured by a stationary observer.
Time Differential formula |
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| \( \Delta t' = \gamma \; \Delta t \) | ||
| Symbol | English | Metric |
| \( \Delta t' \) = time differential | \( sec \) | \( s \) |
| \( \gamma \) (Greek symbol gamma) = Lorentz factor | \(dimensionless \) | \(dimensionless \) |
| \( \Delta t \) = time that has passed by the traveling observer | \( sec \) | \( s \) |
Time Differential formula |
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| \( \Delta t' = \Delta t \;/\; \sqrt{1 - (v^2 \;/\; c^2 ) } \) | ||
| Symbol | English | Metric |
| \( \Delta t' \) = time differential | \( sec \) | \( s \) |
| \( \Delta t \) = time that has passed by the traveling observer | \( sec \) | \( s \) |
| \( v \) = velocity of the traveling observer | \(ft \;/\; sec\) | \(m \;/\; s\) |
| \( c \) = speed of light | \(ft \;/\; sec\) | \(m \;/\; s\) |
