A typical sound level for a buzzing mosquito is 40 db and
A typical sound level for a buzzing mosquito is 40 dB, and that of a vacuum cleaner is approximately 70 dB. Obtain how many buzzing mosquitoes will produce a sound intensity equal to that of a vacuum cleaner?
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an object is placed 54 cm in front of a converging lens f 36 centimeter compute where the image is
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a typical sound level for a buzzing mosquito is 40 db and that of a vacuum cleaner is approximately 70 db obtain how
there are many evaluates of the number of stars in the universe one evaluate is that there are 1010 stars in the milky
a 150 grams copper bowl contains 195 gram of water both at 20degc a very hot 300 gram copper cylinder is dropped into
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