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    Differentials Searchlight

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    A searchlight is 150 feet from a straight wall. As the beam moves along the wall, the angle between the beam and the perpendicular to the wall is increasing at a rate of 2.0 (degrees per second). How fast is the length of the beam increasing when it is 170 feet long?

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    https://brainmass.com/math/calculus-and-analysis/differentials-searchlight-460696

    Solution Summary

    The expert examines differential searchlights.

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