The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 549 mW/m2. The wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. The total energy that traverses the area in a time interval of one minute is closest to:
Answers: 1
Another question on Physics
Physics, 22.06.2019 02:10
"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."
Answers: 2
Physics, 22.06.2019 06:00
The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.
Answers: 2
Physics, 22.06.2019 13:40
Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?
Answers: 1
You know the right answer?
The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 5...
Questions
Computers and Technology, 15.10.2019 13:10
World Languages, 15.10.2019 13:10
Geography, 15.10.2019 13:10
Chemistry, 15.10.2019 13:10
Social Studies, 15.10.2019 13:10
Geography, 15.10.2019 13:10
Mathematics, 15.10.2019 13:10
English, 15.10.2019 13:10
Social Studies, 15.10.2019 13:10
History, 15.10.2019 13:10
Physics, 15.10.2019 13:10
History, 15.10.2019 13:10
