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What best describes the dropping height of a ball that bounces back up to a height of 45 cm
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According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?
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Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.
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Which of these changes to Earth's surface is caused by constructive forces?
0
A. a waterfall...
A. a waterfall...
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