Question

In a damped oscillator, the mass of the oscillator is m = 200g, force constant is K = 90N/m and the damping constant b is 40 g/s. Find the time taken for its mecharical energy to drop to half its initial value 

A

0.3s

B

0.208 s

C

6.93s

D

3.46s

Hard

Solution

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Correct option is D)
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