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Physics, 20.01.2020 21:31 dathanboyd
Sound wave a delivers 2 j of energy in 2 s. sound wave b delivers 10 j of energy in 5 s. sound wave c delivers 2 mj of energy in 1 ms. rank in order, from largest to smallest, the sound powers of pa, pb, pc of these three waves.
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Sound wave a delivers 2 j of energy in 2 s. sound wave b delivers 10 j of energy in 5 s. sound wave...
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