Physics, 11.03.2020 22:46, batmandillon21
The sound level produced by one singer is 71.4 dB. What would be the sound level produced by a chorus of 36 such singers (all singing at the same intensity at approximately the same distance as the original singer)
Answers: 1
Physics, 21.06.2019 20:10, andybiersack154
Select the correct answer. anna will wear a black dress when she attends het cousin's wedding. which color(s) does the dress absorb? a. all colors b. no colors c. red and green d. white
Answers: 1
Physics, 22.06.2019 03:30, sere50
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
The sound level produced by one singer is 71.4 dB. What would be the sound level produced by a choru...
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