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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermal ExpansionMedium2 minQB

PhysicsMediuminteger

A free ring has $α = 2 \times 1 0^{- 5}$ per °C and is heated by 50°C. Find first-order fractional increase of central moment of inertia in units of $1 0^{- 3}$ .

Answer:

Solution:

$I \propto R^{2}$ , so $\frac{Δ I}{I} = 2 α Δ T = 0.002$ . Requested value $= 2$ .

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion

⏱ 2mℹ️ Source: QB

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