Initially it oscillates with an amplitude of 250 cm because


A damped harmonic oscillator consists of block (m = 2.00 kg) a spring (K = 10.0 N/m) and a damping force F = -bv. Initially it oscillates with an amplitude of 25.0 cm because of damping the amplitude falls to three fourth of its initial value at the completion of four oscillations.

(i) What is the value of b?

(ii) How much energy was lost during the four oscillations?

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Chemistry: Initially it oscillates with an amplitude of 250 cm because
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