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An iron tyre is to be fitted onto a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of the wheel. The tyre should be heated so that its temperature (in∘ C) increases by a minimum of (Given : coefficient of volume expansion of iron is 3.6×10−5/∘ C)

Answer» An iron tyre is to be fitted onto a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of the wheel. The tyre should be heated so that its temperature (in C) increases by a minimum of (Given : coefficient of volume expansion of iron is 3.6×105/ C)


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