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Mathematics, 14.04.2021 16:10 officialrogerfp3gf2s

Two coils which are made by winding copper wire of different gauges and length have the same mass. The first coil is made by winding 270 metres of wire with cross sectional
diameter 2.8mm while the second coil is made by winding a certain length of wire with
cross-sectional diameter 2.1 mm. Find the length of wire in the second coil​

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Two coils which are made by winding copper wire of different gauges and length have the same mass....

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