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A rigid bar of mass 15 kg is supported s...

A rigid bar of mass 15 kg is supported symmetrically by three wires, each of length 2 m. The wires at the endpoints are made of copper and the middle one is made of steel. If the tension in each wire is the same, then the diameter of copper wire to the diameter of steel wire is `["Given, "Y_("copper")=1.1xx10^(11)"N m"^(-1) and Y_("steel")=1.9xx10^(11)"N m"^(-2)]`

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