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Define linear simple harmonic motion. As...

Define linear simple harmonic motion. Assuming the expression for displacement of a particle starting from extreme position, explain graphically the varition of velocity and acceleration w.r.t. time.
A clock reagulated by seconds pendulum, keeps correct time. During summer, length of pendulum increases to 1.005 m. How much will the clock gain or loose in one day `(g=9.8m//s^(2)andpi=3.142)`.

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