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In the figure all spring are identical having spring constant `k` and mass `m` each The block also mass `m` The frequency of oscillation of the block is A. `(1)/(2pi)sqrt((3k)/(m))`B. `(1)/(2pi) sqrt((3k)/(m))`C. `2pi sqrt((3m)/(3k))`D. None of these |
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Answer» Correct Answer - B In the …………. If spring has the mass then : `f = (1)/(2pi) sqrt((k)/(m+(M_("spring"))/(3)))` Spring equivalent `= 3k` (As all are in parallel) `:. f = (1)/(2pi) sqrt((3k)/(m+((3m))/(3)))` `implies f = (1)/(2pi) sqrt((3k)/(2m))` |
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