particle moves with simple harmonic motion in a straight line. In first $\tau\ s$, after starting from rest it travels a distance $a$, and in next $\tau\ s$ it travels $2a$, in same direction, then
  • Atime period of oscillations is $8\tau$
  • Btime period of oscillations is $6\tau$
  • Camplitude of motion is $4a$
  • Damplitude of motion is $3a$
JEE MAIN 2014, Diffcult
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