Suppose sunlight just outside Earth's atmosphere has an intensity of 2.00 kW/m2. Calculate (a) Em and (b) Bm for sunlight there, assuming it to be a plane wave. (a) Number i Units (b) Number i Units
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- A plane electromagnetic wave varies sinusoidally at 90.0 MHz as it travels in the positive x-direction. The peak value of the electric field is 2 mV/m, and is directed along the positive x-direction. Determine: the wavelength, the period the peak value of the magnetic field. Write expressions in SI units for the variations in space and time of both the electric and magnetic fields. Include both numerical values and subscripts to indicate direction coordinates.An electromagnetic wave with an amplitude of 8.00 V/m boils a cup of water in 4.00 minutes. (The units for the amplitude are here because we always need units, but they are not relevant to answering the question). If the amplitude was increased to 16.0 V/m, but everything else (e.g., frequency, distance of cup from source etc.) stayed the same, how long would it take to boil the same cup of water? Enter your answer in minutes.A 1.00-m² solar panel on a satellite that keeps the panel oriented perpendicular to radiation arriving from the Sun absorbs 1.40 kJ of energy every second. The satellite is located at 1.00 AU from the Sun. (The Earth-Sun distance is approximately 1.00 AU.) How long would it take an identical panel that is also oriented perpendicular to the incoming radiation to absorb the same amount of energy, if it were on an interplanetary exploration vehicle 2.85 AU from the Sun? S
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