An iron tyre is to be fitted onto a wooden wheel 1.0 m in diameter. The diameter of the tyre is 6 mm smaller than that of the wheel. The tyre should be heated so that its temperature increases by a minimum of (coefficient of volume expansion of iron is $$3.6 \times 10^{-5}$$/°C)

100°C

100°C

0%

1000°C

1000°C

0%

500°C

500°C

0%

300°C

300°C

0%