Mathematics, 30.08.2021 06:30 esnyderquintero

Ex 7) Imagine a mile-long bar of metal such as the rail along railroad tracks. Suppose that the rail is anchored on both ends and that, on a hot day, its length expands by 1 foot. If the added length causes the rail to bow upward in a circular arc, about how high would the center of the rail rise above the ground?

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Ex 7) Imagine a mile-long bar of metal such as the rail along railroad tracks. Suppose that the rail...