4 A simple pendulum oscillates the amplitude oscillation is reduced to one third of its initia amplitude A at the ends of 10

Question

4 A simple pendulum oscillates the amplitude oscillation is reduced to one third of its initia amplitude A at the ends of 10 oscillations Afte complete 20 oscillations its amplitude must be 1 3 20 20 2 4 Ao 4 2A 3

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