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Two spreings A and B`(k_A=2k_B)` ar stretched by applying forces of equa magnitudes at the foru ends. If the energy stored in A is E, that in B isA. 2EB. `E/4`C. `E/2`D. `4E` |
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Answer» Correct Answer - A `E=(kx^2)/2 =(k^2x^2)/(2k) rArr E=f^2/(2k)` `because` Force is equal `therefore E prop 1/k` |
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