Questions
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 wheel. The tyre should be heated so that its temperature increases by a minimum of : (coefficient of volume expansion of iron is 3.6 10-5 /°C )
detailed solution
Correct option is A
Δ|=|α⋅Δθ Solving, Δθ=500∘C.Talk to our academic expert!
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A rotating solid metal sphere is heated by . If then percentage change in its moment of inertia is
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