How many oscillations will have been completed when the amplitude is 30% of its initial value [Solved]

A 200g oscillator in a vacuum chamber has a frequency of 2hz. When air is admitted, the oscillation decreases to 60% of its initial amplitude in 50s. How many oscillations will have been completed when the amplitude is 30% of its initial value

This post is last updated on hrtanswers.com at Date : 1st of September – 2022

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