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A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.30?T and a wavelength of 434nm is traveling in the +xdirection through empty space.
a. What is the frequency of this wave? in hz
b. What is the amplitude of the associated electric field? in V/m
A boy coasts down a hill on a sled, reaching a level surface at the bottom with the speed of 8.4 m/s. If the coefficient of friction between sled's runners and snow is 0.040.
Suppose you were to disconnnect the battery (without losing any of the charge on the plates) and then remove the dielectric medium. What would be the new voltage across the plates
A woman slowly lifts a box weighing 48.0 N from the floor to a shelf 1.50 m above, Find the net work done on the box
A baseball player hits the ball and it lands in the field seat 10 m above the point, find the c and y components of the initial velocity vector of the baseball
A 59.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of the circle with a radius of 3.80 m.
At high noon, the Sun delivers 1.10-kW to each square meter of a blacktop road. If the hot asphalt loses energy only by radiation, what is its equilibrium temperature?
A proton is released from rest at the positive plate of a parallel-plate capacitor, What will be the proton's final speed if the experiment is repeated with double the amount of charge in each capacitor plate
The position of an object as a function of time is (3.2t + 1.8t^2)i + (1.7t + 2.4t^2) , where is the time in seconds. Find the magnitude and direction of the object.
define the speed of the particle when the string is parallel to the electric field.
Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to its axis of rotation, What is the radius (in cm) of coil 2
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 3.4 cubic meters of sea water. What is the buoyant force acting on the object in newtons
A 1.00-kg glider attached to a spring with a force constant of 25.0 N/m oscillates on a horizontal, frictionless air track. At t = 0 the glider is released from rest at x = -3.00 cm.
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