Solution:
a =- ω²x
comparing
ω² = π² ⇒ ω =π ⇒ 2πυ= π ⇒ υ = 1/2 Hz
The equation of motion of a particle of mass 1 gm is d²x/dt² + π²x = 0 where x is displacement (in m) from mean position. The frequency of oscillation is (in Hz) :
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