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Intensity

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While blowing its horn of frequency 580 Hz, a car accelerates at 0.4 m/s2.The car starts from rest by your side and moves away.
1. 1 answer
2. 533 views
At a distance of 30 m the noise from the engine of an jet has an intensity of 130 dB.At this level, you will be in pain and your
1. 2 answers
2. 638 views