Mathematics, 25.06.2021 23:10 yugbug44owwc7w
4. The electrical resistance of a wire varies inversely as the square of its radius. If the resistance is 0.80 ohm when the radius is 0.4cm. Find the resistance whom the radius is 0.7cm.
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4. The electrical resistance of a wire varies inversely as the square of its radius. If the resistan...
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