Physics - Elasticity Question with Solution | TestHub

PhysicsElasticityMiscellaneousMedium2 minQB

PhysicsMediumsingle choice

Two light same-material wires ( $Y$ ) of length $L$ and radii $R, 2 R$ are joined in series and support weight $W$ . Stored elastic energy is:

Answer:

Solution:

$U_{i} = \frac{W ^{2} L}{2 A _{i} Y}$ .

$U = \frac{W ^{2} L}{2 π R ^{2} Y} + \frac{W ^{2} L}{8 π R ^{2} Y}$ .

$U = \frac{5 W ^{2} L}{8 π R ^{2} Y}$ .

Stream:JEESubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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