Physics, 02.07.2019 01:30 jasperc2002owy5b5
Ineed with 3-4 above and the question below. urgent ! 100% correct answers? an average depth for the human mouth is about 8 cm. we can model the mouth as an organ pipe that is open at the back of the throat. what are the wavelength and frequency of the first harmonic you can produce if your mouth is open? assume v = 344 m/s. 16 cm; 2150 hz 14 cm; 3000 hz 20 cm; 1980 hz 25 cm; 1500 hz
Answers: 1
Physics, 22.06.2019 04:00
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
Physics, 22.06.2019 16:20
What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g
Answers: 2
Physics, 22.06.2019 18:30
Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
Ineed with 3-4 above and the question below. urgent ! 100% correct answers? an average depth for...
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