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the potential energy of an occilator of mass 2 kg in its mean position is 5 joules...if its total energy is 9 joules and apmlitute of 0.01 m....its tym period is?????

the potential energy of an occilator of mass 2 kg in its mean position is 5 joules...if its total energy is 9 joules and apmlitute of 0.01 m....its tym period is?????

Grade:12th Pass

1 Answers

Swapnil Saxena
102 Points
9 years ago

The Potential Energy of the paricle is 5 Joules at the mean pos.(With Reference to an arbitary Refrence Point).

With Reference to same arbitary Refrence Point , the total energy of the particle is 9 Joules.

So the Kinetic Energies at the mean pos. = 9J -5J = 4 Joules

At the amplitude the all the kinetic energy will convert into spring potential energy

4 Joules = (1/2)kx2 = (1/2)*k(0.01)2

k = 8*10

Time Period is 2pi (m/k)1/2= 2pi (2/8*104)1/2 = 2pi(0.25*10-4)1/2= 2 pi (0.5*10-2)=3.14*10-2s

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