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shaalaa.com | Periodic Motion
Period and frequency
The periodic time of a linear harmonic oscillator is 2π second, with maximum displacement of 1 cm. If the particle starts from extreme position, find the displacement of the particle after π/3 seconds.
A seconds pendulum is suspended in an elevator moving with constant speed in downward direction. The periodic time (T) of that pendulum is _______.
(A) less than two seconds
(B) equal to two seconds
(C) greater than two seconds
(D) very much greater than two seconds