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In an EM wave the electric field oscillates 4 X 10^14 HZ at in the North - South direction. The EM wave is traveling upwards from the ground.
(a) In what direction is the magnetic field oscillating?
(b) If the electric field has an rms strength of 60 V/m, what is the rms value of the magnetic field?
(c) Where would this EM wave fall on the electromagnetic spectrum?
An airplane is flying in a horizontal circle at the speed of 542 km/h. If the wings of the plane are tilted 33.0° to the horizontal, what is the radius of the circle in that the plane is flying? Suppose that the required force is provided entirely by..
What is the sound intensity level. One on an Incline--One Hanging A block of mass mA = 4.50 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, frictionless pulley to the second block of mass mB = 2.80 kg ha..
Hakeem throws a 10.50 g ball straight down from a height of 2m. The ball strikes the floor at a speed of 7m/s. What was the initial speed of the ball? Presume that air resistance is negligible.
In order to clearly read a book 24 cm away, a farsighted girl needs an image to be 35 cm from her eyes. What focal length is necessary for lens in her eyeglasses.
Two protons are released from rest, one from location 1 and another from location 2. When these two protons reach location 3,, what is the electric potential at location 3
20 kg of water occupy a volume of 1 m^3 in a piston cylinder device at a pressure of 45 bars, Determine the final temperature of the water and Calculate the work and heat involved during this process
The charges 5.92 ?C, ?8.8 ?C, 40.7 ?C, and ?86 ?C are located inside a submarine, Calculate the net electric flux through the submarine
A convex mirror has a focal length of -39.0 cm. A 12.0 cm tall object is located 41.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the size of the image
A gardener feels it is taking him excessively long to water a garden with a 0.952cm diameter hose. By what factor will his time be shortened, if he uses a 1.58 cm diameter hose.
A ball rolling along at speed v without slipping on a horizontal surface while it comes to a hill that rises at a constant angle above the horizontal.
Consider an open tube of length L = 17 cm. What are the wavelength and frequency for the rst mode
A box stands against the wall of a cylinder that is rotating. The cylinder has a radius of 30cm. What is the minimum consant speed (magnitude of linear velocity) the box must move so it doesn't slip
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