Physics, 07.03.2020 00:09, 4804053670
A rock group is playing in a bar. Sound emerging from the door spreads uniformly in all directions. The intensity level of the music is 83.9 dB at a distance of 6.91 m from the door. At what distance is the music just barely audible to a person with a normal threshold of hearing? Disregard absorption. Answer in units of m.
Answers: 1
Physics, 22.06.2019 15:50, shaylawymannnnn
Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
Answers: 3
Physics, 23.06.2019 03:30, allieeastridge
Select the correct lewis structure for fluorine which is group 7a element?
Answers: 1
A rock group is playing in a bar. Sound emerging from the door spreads uniformly in all directions....
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