Calebwando9595 Calebwando9595

26-04-2024
Physics

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A 240 g oscillator in a vacuum chamber has a frequency of 1. 5 Hz. When air is admitted, the oscillation decreases to 60% of its initial amplitude in 50 s. How many oscillations will have been completed when the amplitude is 30% of its initial value? Express your answer using two significant figures.

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