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1 Answer

+1 vote

Best answer

Its the angular frequency or speed. Here f is the frequency at which the object is rotating 2 (pi) radians or 360 degrees and its reciprocal = 1/f is the time period T for 360 degree rotation of the object.

A simple pendulum with length l and bob of mass m execute simple harmonic motion of small amplitude A. What would be the maximum tension in the string?

A parachutist drops freely from an aeroplane for 10 seconds before the parachute opens out.
Then he descends with a net retardation of 2.5 m/s2 and strikes the ground with a velocity 5 m/s.
Find the height in metres from which he bails out of the plane?
( Take g = 10 m/s )