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PhysicsElasticityMiscellaneousMedium2 minQB

PhysicsMediumsingle choice

Two wires ( $L_{1}, L_{2}$ ; equal area $A$ ; moduli $Y_{1}, Y_{2}$ ) are joined in series and support mass $M$ . Effective force constant is:

Answer:

Solution:

$k_{i} = \frac{Y _{i} A}{L _{i}}$ .

$\frac{1}{k} = \frac{1}{k _{1}} + \frac{1}{k _{2}}$ .

$k = \frac{Y _{1} Y _{2} A}{Y _{1} L _{2} + Y _{2} L _{1}}$ .

Stream:JEESubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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