Physics, 14.04.2020 22:34 puffley

A traveling electromagnetic wave in a vacuum has an electric field amplitude of 57.9 V/m. Calculate the intensity S of this wave. Then, determine the amount of energy U that flows through area of 0.0223 m 2 over an interval of 18.5 s, assuming that the area is perpendicular to the direction of wave propagation.

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 06:50, saltytaetae

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?

Answers: 1

continue

Physics, 22.06.2019 09:00, ahardy84

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Answers: 1

continue

Physics, 22.06.2019 21:00, cici65360

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.

Answers: 1

continue

Physics, 22.06.2019 21:30, 100113801

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? ab c d

Answers: 2

continue

You know the right answer?

A traveling electromagnetic wave in a vacuum has an electric field amplitude of 57.9 V/m. Calculate...