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CBSE Class 11-science Answered

  A uniform circular disc of mass 12 kg is held by 2 identical springs when disc is pressed down slightly and released it executes shm with time period of2 s the force constant of each spring is [2 spring in parallel]n/
Asked by SELVA | 06 Jul, 2019, 03:25: PM
answered-by-expert Expert Answer
when two springs are connected in parallel, the effective force constant is given by
K subscript e f f end subscript equals K subscript 1 plus K subscript 2 K subscript 1 equals K subscript 2 equals K K subscript e f f end subscript equals 2 K T h e space t i m e space p e r i o d space i s space g i v e n space b y T equals 2 pi square root of m over K subscript e f f end subscript end root s u b s t i t u t i n g space t h e space v a l u e s space w e space g e t 2 equals 2 pi square root of fraction numerator 12 over denominator 2 K end fraction end root open parentheses 1 over pi close parentheses squared equals fraction numerator 12 over denominator 2 K end fraction K equals 6 pi squared K equals 59.15 N divided by m
Answered by Utkarsh Lokhande | 06 Jul, 2019, 07:55: PM

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