Calculate what is the average energy density

Assignment Help Physics
Reference no: EM13538746

The intensity of the sunlight that reaches Earth's upper atmosphere is approximately 1465 W/m2.

(a) What is the average energy density?

J/m3

(b) Find the rms values of the electric field and magnetic field.

Erms = V/m Brms = T

Reference no: EM13538746

Questions Cloud

How much tension is in each piece of wire : A painting of mass 3.20 kg hangs on a wall. Two thin pieces of wire, each 0.250 m long, connect the painting's center to two hooks in the wall. how much tension is in each piece of wire
A magnetic field is oriented at an angle : A magnetic field is oriented at an angle of 43 degrees to the normal of a rectangular area 4.7cm by 6.9cm . If the magnetic flux through this surface has a magnitude of 4.8×10^?5T*m^2 , what is the strength of the magnetic field?
Estimate the objects weight at this height : A 170 object is taken to a height of 360 above the Earth's surface. What is the object's weight at this height
Determine what capacitance should be used : An RLC circuit is used in a radio to tune into an FM station broadcasting at f=99.7 Mhz. What capacitance should be used
Calculate what is the average energy density : The intensity of the sunlight that reaches Earth's upper atmosphere is approximately 1465 W/m2.  What is the average energy density
Find the temperature at the surface of venus : Knowing the temperature at the surface of the Earth to be 72 F, find the temperature at the surface of Venus. ( show your work step by step.)
Compute what force does will apply to the board : Cliff and Will support the board at each end so that it is horizontal. A 64 kg boulder is placed on a 2.00 m long board at a point that is x = 1.7 m from Cliff. What force does Will apply to the board
Parachute opens-a drag racer-starting from rest : A drag racer, starting from rest, speeds up for 402 m with an acceleration of +21.0 m/s2. A parachute then opens, slowing the car down with an acceleration of -5.75 m/s2. How fast is the racer moving 2.90 102 m after the parachute opens?
How long did it take the car to cover that distance : A car originally at 14 m/s ( about 50 kph) covered a distance of 250 m. If its speed at the end of trip is 20 m/s ( about 72 kph), how long did it take the car to cover that distance

Reviews

Write a Review

Physics Questions & Answers

  How much gravitational potential energy has it lost

An object of mass M = 3.5 kg slides from rest a distance d = 6 m down a frictionless inclined plane where it encounters a spring. When the block just touches the spring, how much gravitational potential energy has it lost

  What is the new magnification

An object is 2 m from the front side of a 1 m focal lenth converging lens. A second converging lens with focal length 2 m is placed 1 m from the first on the opposite side from the object. What is the new magnification

  How fast are the waves moving

However, the current increases by just 0.11 A when R1 is removed, leaving R2 connected across the battery. Find (a) R1 and (b) R2.

  What force does his seat exert on him

A 70-kg stunt pilot pulls out a drive while flying at 50 m/s. If he flies a circular path with a radius of 200 m, what force does his seat exert on him at the bottom of the path

  Find the potential difference across the second capacitor

Two Capacitors, C1= 2.0 mF and C2=9.0 mF , are in a series.  Find the potential difference across the second capacitor

  At what temperature are their resistances equal

A copper wire has a resistance of 0.400 at 20.0°C, and an iron wire has a resistance of 0.430 at the same temperature

  Compute an average density of the piece

Automobile engine slows down from 4500 rpm to 1200 rpm in 2.5 s. compute (a) its angular acceleration, assumed constant and (b) total number of revolutions the engine makes in this time.

  What is the resulting angular speed of the platform

A man stands on a platform that is rotating (without friction) with an angular speed of 1.0 rev/s; his arms are outstretched, What is the resulting angular speed of the platform

  Determine the distance from the mortar

If there had been no explosion, the shell would have landed a distance from the mortar. Suppose that air resistance and the mass of the shell's explosive charge are negligible. Determine the distance from the mortar at which the larger piece of th..

  How many joules of potential energy does 15-kg book gain

how many joules of potential energy does 1.5-kg book gain when it is elevated 2 m? when it is elevated 4 mlet g 10

  Find how many revolutions does the tub turn

The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 2.0 rev/s in 8.0 s. Through how many revolutions does the tub turn during this 21-s interval

  Determine the difference in final speeds of the two sphere

Two metal spheres, each of mass 14 g and initially at rest, are dropped from a height of 6 m in an evacuated chamber. Find the difference in final speeds of the two spheres

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd