College Physics 2056

posted by .

An electromagnetic wave strikes a 3.00-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is determined to be 6.00 10-4 T. How long does it take for the wave to deliver 1000 J of energy to the wall?

  • College Physics 2056 -

    Figured it out.
    E/SA=t

    1000/[(2.38e14*B^2)*(Area)]= t

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    An industrial laser is used to burn a hole through a piece of metal. The average density of the light is S = 1.22 109 W/m2. What is the rms value of each of the following fields in the electromagnetic wave emitted by the laser?
  2. Physics

    1)An electromagnetic wave is produced by: an accelerating charged particle or changing magnetic fields. 2)Find the period of an electromagnetic wave of wavelength 2.20 x 10^-2 m. 3.00 x 10^8 * 2.20 x 10^-2 = 6.60 x 10^6 s
  3. physics

    In a given electromagnetic plane wave the maximumelectric field strength is 400 V/m. What is the maximum magnetic field strength?
  4. physics

    An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.7 x 10^-6 T. What is the intensity S of the wave?
  5. physics

    The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.20 m2. How much energy does …
  6. physics

    The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.20 m2. How much energy does …
  7. College Physics

    A radio station with a power of 20 kW sends out an omnidirectional wave at 1.25 MHz. a. If the electromagnetic wave has an electric field of 0.22 V/m, what is the magnetic field amplitude?
  8. Physics

    The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.7 × 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.23 m2. How much energy does …
  9. Science

    1. Compare the two light waves above. Which wave would produce the brightest light and which wave would have the least energy?
  10. physics

    An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is S = 1.13 109 W/m2. What is the rms value of each of the following fields in the electromagnetic wave emitted by the laser?

More Similar Questions