The answer is D. I can't figure out why? The human range is from 20 Hz to 20 kHz...
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Physics, 21.07.2021 16:10 janeou17xn
The answer is D. I can't figure out why? The human range is from 20 Hz to 20 kHz...
Answers: 3
Physics, 21.06.2019 18:00
Amanometer is used to measure the air pressure in a tank. the fluid used has a specific gravity of 1.25, and the differential height between the two arms of the manometer is 34 in. if the local atmospheric pressure is 12.7 psia, determine the absolute pressure in the tank for the cases of the
Answers: 3
Physics, 22.06.2019 02:10
"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."
Answers: 2
Physics, 22.06.2019 12:10
Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
Answers: 3
Physics, 22.06.2019 16:30
He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is
Answers: 2
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Physics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
Mathematics, 10.09.2020 06:01
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Mathematics, 10.09.2020 07:01
Mathematics, 10.09.2020 07:01