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A typical helium-neon laser found in supermarket checkout scanners emits 633nm--wavelength light in a 1.1mm diameter beam with a power of 1.0mW.
What is the amplitude of the oscillating electric field in the laser beam?
What is the amplitude of the oscillating magnetic field in the laser beam?
A sled with mass 7.80 moves in a straight line on a frictionless horizontal surface. find the force acting on the sled
A 110 granite cube slides down a 45 degree frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 235 steel cube at rest. How high above the table should the granite cube be released to give the steel cube a..
How many wavelengths are contained in the light wave passing back and forth through the oil?
The relationship between angular frequency and wavenumber for a deep water wave is: ?=gk????, what is the group velocity of the wave
What must your average speed over the next 10 miles be to have your average speed for the total 20 miles be 13m/h? c)Given this average speed for the first 10 miles, can you possibly attain an average speed of 14for the total 20-mile ride?
Power transmission lines often use a form of electric current called alternating current, but in many regions, such as the Province of Quebec, high-voltage direct-current lines are used instead. What is the power loss due to resistance in the line
A woman flying aerobatics executes a maneuver r = 380m, Determine the value of the centripetal force acting on the woman flying the airplane when at the top of the loop
A solid disk of mass M= 2.0 kg and radius R= 0.25 m rotates at an angular velocity of 0.50 rad/s with respect to an axis perpendicular to the disk at its center. what is the angular velocity of the disk
A certain raft is 2.5 m long, 0.55 m wide, and 14 cm deep. If the raft itself has a mass of 15.6 kg, what is the maximum mass it can support in fresh water
If the perceived frequency becomes constant at 440 Hz, what is terminal speed at the paratrooper? Take the speed sound in air to be 343 m/s and assume the paratrooper always remains below the helicopter.
a ball made of rubber weighing 1kg is thrown at a wall at 6m/s. A ball of putty weighing 1kg is also thrown at the wall at a speed of 6m/s. Which ball transfers the greater momentum to the wall
A -19 mC charge experiences a force of 60 N directed south. What is the electric field magnitude and direction at the location of the charge
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