Physics, 22.10.2019 19:00 ayoismeisalex
Aloud factory machine produces sound having a displacement amplitude in air of 1.00 μm, but the frequency of this sound can be adjusted. in order to prevent ear damage to the workers, the maximum pressure amplitude of the sound waves is limited to 10.0 pa. under the conditions of this factory, the bulk modulus of air is 1.31×105 pa. the speed of sound in air is 344 m/s. what is the highest-frequency sound to which this machine can be adjusted without exceeding the prescribed limit?
Answers: 1
Physics, 21.06.2019 16:20, kwoolfe59006
Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems
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Physics, 21.06.2019 19:30, sariyamcgregor66321
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
Answers: 3
Physics, 21.06.2019 20:00, jferdi2005
When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.
Answers: 1
Physics, 21.06.2019 23:50, diana156
Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called
Answers: 3
Aloud factory machine produces sound having a displacement amplitude in air of 1.00 μm, but the freq...
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