• Ruby negi thankyou
    see solution...
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    Ruby negi
    T/4 is because T is time period means time taken by block to cover distance from compressed position to mean position then mean position to extended position then again extended p...
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  • Vaishali sharma
    see attached
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    Vaishali sharma
    it will help u dear
  • Mahak
    ans is d see attached
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    how is Tab = T/4?