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During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?
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The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.
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Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.
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