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Mechanical Properties Of Fluids

Question
CBSEENPH11019147

A particle is executing simple harmonic motion with amplitude r and frequency ω. Find the velocity and acceleration of particle at mean and extreme positions.

Solution
Given a particle is executing Simple Harmonic Motion. 
The position, velocity and acceleration of particle executing simple harmonic motion is given by,
Position comma space straight y space equals space straight r space s i n space omega t

V e l o c i t y comma space straight v space equals space straight omega square root of straight r squared minus straight y squared end root

a n d space space space
A c c e l e r a t i o n comma space straight a equals negative straight omega squared straight y