The resistance of a wire varies directly as its length and inversely as the square of its diameter. A wire 50 m long and 0.01 m in diameter has a resistance of 25 ohms. Find the resistance of a wire made of the same material that is 20 m long and has diameter 0.02 m.

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

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Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet