Anew airport building is being built 750m from a school. the noise level is 50m from the planes that will land at the airport is 130 db. in open place, such as the fields between the school an the airport, the level descreases by 20 db each time the distance tenfolds. how far away would the school have to move to be tolerable at the school
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Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star
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Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
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Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?
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Anew airport building is being built 750m from a school. the noise level is 50m from the planes that...
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