A particle is undergoing SHM, when its kinetic
energy is equal to potential energy, the velocity of
particle is (0 - angular frequency, A - amplitude
and potential energy at mean position is zero)
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The velocity of particle is .
Explanation:
1. Angular frequency = = ...1)
2. Amplitude = A
3. during SHM, total energy is conserved.
Means
Kinetic energy + Potential Energy = Maximum Kinetic energy = Maximum Potential Energy ...2)
It is given that at certain instant
Kinetic energy = Potential Energy ...3)
4. from equation 2) and equation 3)
Kinetic energy + Kinetic energy = Maximum Potential Energy
2×Kinetic energy = Maximum Potential Energy ...4)
5. Where
Kinetic energy = ...5)
where V = velocity of particle at that instant
Maximum Potential Energy= ...6)
7. So equation 4) can be written as
So
...7)
8. From equation 1) and equation 7) can be written as
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