A particle executing SHM while moving from one extremity is found at distances x 1 , x 2…

Physics · JEE Main · NTA ExamsOscillations and Waves

A particle executing SHM while moving from one extremity is found at distances x1, x2 and x3 from the center at the end of three consecutive seconds, the angular frequency is
  1. \(\cos ^{-1}\left(\frac{x_{1}+x_{2}}{2 x_{3}}\right)\)
  2. \(\cos ^{-1}\left(\frac{x_{2}+x_{3}}{2 x_{1}}\right)\)
  3. \(\cos ^{-1}\left(\frac{x_{1}+x_{3}}{2 x_{2}}\right)\)
  4. \(\cos ^{-1}\left(\begin{array}{lll} x_{1} & x_{2} & x_{3} \end{array}\right)\)

Answer

(C) ^ -1 ( x_ 1 +x_ 3 2 x_ 2 )

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