Physics, 14.01.2021 03:50 HopeBordelon4
A student is standing 8 m from a roaring truck engine that is measured at 20 dB. The student moves 4 m closer to the engine. What is the measured sound intensity at the new distance? (dB) Can you also explain why? I need to know how to do it and I don't know how to.
Answers: 1
Physics, 22.06.2019 12:40
Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity
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Physics, 23.06.2019 08:30
Acertain half-reaction has a standard reduction potential e_red^0 = -0.94 v. an engineer proposes using this half-reaction at the cathode of a galvanic cell that e must provide at least 1.00 v of electrical power. the cell will operate under standard conditions. a. is there a minimum standard reduction potential that the half-reaction used at the anode of this cell can have? b. is there a maximum standard reduction potential that the half-reaction used at the anode of this cell can have?
Answers: 1
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The potential energy for a mass on a spring is proportional to the square of which of these quantities? a. mass b. frequency c. period d. displacement e. velocity
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A student is standing 8 m from a roaring truck engine that is measured at 20 dB. The student moves 4...
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