Give your answer in scientific notation, rounded to three significant figures. A sinusoidal EM wave has an electric field amplitude Em = 29.2 mV/m. What are the intensity and average energy density?
Give your answer in scientific notation, rounded to three significant figures. A sinusoidal EM wave has...
The E⃗ field in an EM wave in free space has a peak of 21.3 mV/m . Part A What is the average rate at which this wave carries energy across unit area per unit time? Express your answer using three significant figures. I I = nothing W/m2 The magnetic field in a EM wave traveling in free space has an rms strength of 21.1 nT . Estimate the radiation pressure due to a bulb that emits 25 W of...
4.1 The amplitude of the B field of an EM wave is 2.9×10−7T. The wave travels in free space Part A What is the amplitude of the E field? Express your answer to two significant figures and include the appropriate units. Part B What is the average power per unit area of the EM wave? Express your answer to two significant figures and include the appropriate units.
stepe rounded to four siguificant figures. Give your final anuwer() to three significant figures. Write your answer in scientific notation, ie in the form 12345 x 10, with the decimal poin following the first digit 18.2mm 18.2 mm 237m 18.2 mm 0 80 mm 10.1 The cross section of the bar shown is symmetric about the y axis Part I (a) Determine d so that the origin of the coordinate system, point centroid of the area. O,is positioned at the...
A traveling sinusoidal electromagnetic wave in vacuum has an electric field amplitude of 68.9 V/m. Find the intensity of this wave and calculate the energy flowing during 11.9 s through an area of 0.0293 m2 that is perpendicular to the wave's direction of propagation. Intensity: Number 4747.21 W/ m² Energy: Number 13615.19
steps rounded to four significant figures. Give your final answer(s) to three significant figures For the area shown, use composite shapes to determine the x and y positions of the centroid. 10 mm 10 mm 50 mm 10 mm 25 mm 110 mm
(1) Find the speed of the yellow light in this diamond. QUESTION 3 An EM wave in outer space has a peak electric field, 54 V/m. Find the value of the magnetic field of the EM wave. QUESTION 4 An EM wave in outer space has a peak electric field, 134 V/m. Find the value of energy density w of the EM wave. QUESTION 5 An EM wave in outer space has a peak electric field, 154 V/m. Find the...
Please find answer in scientific notation and give units A downward electric force of 5.6 N is exerted on a -7.9 mu C charge. Find the magnitude of the electric field at the position of this charge. Express your answer to two significant figures and include the appropriate units. What is the direction of the electric field at the position of this charge? downward upward
A sinusoidal electromagnetic wave emitted by a cellular phone has a wavelength of 34.5 cm and an electric-field amplitude of 6.20×10−2 V/m at a distance of 350 m from the antenna. a)Calculate the frequency of the wave. b)Calculate the magnetic-field amplitude. c)Find the intensity of the wave.
7. An EM wave is produced and has the following waves: E = Emax sin(kx-1200x10 st) B= -2x10 sin(kx -t) in some direction a. find all the missing information in the electric and magnetic waves and rewrite them. b. What direction does the wave travel in? What direction is the magnetic field? c. What is the average intensity of the wave at its source? d. What kind of EM wave is this? How is it produced? e. The wave is...
An EM wave has an electric field E = 1000 sin(20y + ωt) kˆ (1) 1) What is ω? 2) What is the frequency f? 3) What is the direction of propagation? 4) What is B? 5) What is the average energy density u ̄ and the average intensity S ̄ of the wave?