Public television station KQED in San Francisco broadcasts a sinusoidal radio signal at a power of 316 kW. Assume that the wave spreads out uniformly into a hemisphere above the ground. At a home 4.00 km away from the antenna, what average pressure does this wave exert on a totally reflecting surface? Pau = 2.10x10-11 Pa Submit Previous Answers Part B Correct At a home 4.00 km away from the antenna, what are the amplitudes of the electric and magnetic fields of the wave? Emaz. Bmaz 1.54,5.13×109 N/C,T Submit Previous Answers Part C Correct At a home 4.00 km away from the antenna, what is the average density of the energy this wave carries? Ο ΑΣΦ tha-3.77.10⁹ Submit Previous Answers Request Answer ? * Incorrect; Try Again; 4 attempts remaining J/m³ Part D For the energy density in part (c), what percentage is due to the electric field? 50.0 % Submit Previous Answers Part E Correct For the energy density in part (c), what percentage is due to the magnetic field? 50.0 %

Public television station KQED in San Francisco broadcasts a sinusoidal radio signal at a power of 316 kW. Assume that the wave spreads out uniformly into a hemisphere above the ground. At a home 4.00 km away from the antenna, what average pressure does this wave exert on a totally reflecting surface? Pau = 2.10x10-11 Pa Submit Previous Answers Part B Correct At a home 4.00 km away from the antenna, what are the amplitudes of the electric and magnetic fields of the wave? Emaz. Bmaz 1.54,5.13×109 N/C,T Submit Previous Answers Part C Correct At a home 4.00 km away from the antenna, what is the average density of the energy this wave carries? Ο ΑΣΦ tha-3.77.10⁹ Submit Previous Answers Request Answer ? * Incorrect; Try Again; 4 attempts remaining J/m³ Part D For the energy density in part (c), what percentage is due to the electric field? 50.0 % Submit Previous Answers Part E Correct For the energy density in part (c), what percentage is due to the magnetic field? 50.0 %