Equation 119 · Part 1 · The Bend an Elevator Cannot Fake

Symbol h

+h

h

What this part means

h is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

h is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Full expressionSymbol hArticle meaning

The passage around this formula

An exact analytic evaluation, not a simulation, fixes the scale this actually requires. Take three clocks stacked vertically at heights -h , 0 , and +h near Earth’s surface, giving two edges $y_1$ = $\phi(0)$ - $\phi(-h)$ and $y_2$ = $\phi(h)$ - $\phi(0)$ . Their difference is an exact finite-difference identity up to a Taylor remainder of order $h^4$ :

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Learn the underlying idea

A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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Sources cited in the article section

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