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Two laser beams with wavelengths λ1 = 544 nm and λ2 = 587 nm are aimed at the same point. The electric field from each laser in the y-direction behaves as the function, Ei,y(x,t) = A(sin(2πfit - 2πx/λi) for i = 1 or 2, and they propagate at a speed of light c. Both fields have the same amplitude, A = 1 N/C.
Find the value of the total electric field in the y-direction Ey, in newtons per coulomb, at a time of exactly one femtosecond (10-15 s) if the position the lasers is aimed at is exactly 100 nm away from each laser.
You are researching personal watercraft (PWC) safety. These vehicles have a well known safety issue in which the rider loses steering control when there is no thrust from the engine. What is the distance covered in that time
Suppose you are given a problem involving an electron in a wire and you solve the time independent Schr¨odinger equation (TISE) to ?nd ?(x) for a particular energy level E. Write down the expression for ?(x, t) in terms of ?(x) and time t.
A.) How much time passes before the fish's speed doubles? B.) How much additional time would be required for the fish's speed to double again?
A portion of a soap bubble appears green ( wavelength = 500 nm invacuum) when viewed at normal incidence in white light. find the two smallest, non-zero thickness for the soap film
A solid, horizontal cylinder of mass 9.0 kg and radius 1.30 mrotates with an angular speed of 6.00 rad/s about a fixed verticalaxis through its center. Determine the final angular speed of the system
Two 12-cm-diameter charged disks face each other, 25 cm apart. Both disks are charged to - 50 nC . What is the electric field strength between the disks, along their common axis, at a point 5.0 cm from one disk? Express your answer to two signific..
A uniform magnetic field B with magnitude 1.2 mT is directed vertically upward throughout the volume of a laboratory chamber. Calculate the acceleration of the proton in the chamber
The siren of a fire engine that is driving northward at 31.0 m/s emits a sound of frequency 2020 Hz. A truck in front of this fire engine is moving northward.
Using the words below approp. explain in significant detail how ice melts, water expands, and finally boils when placed in a pan on a hot stove. (heat energy, temperature, molecular motion, kinetic energy, heat transfer.)
A 2000 kg truck moving at 10 m/s to the right strikes a 1000 kg car moving in the same direction with a speed of 5 m/s. The car and truck stick together. What is the final velocity?
Consider an object on an incline where friction is present. The angle between the incline and the horizontal is ? and the coefficient of kinetic friction is ?k. Find an expression for the acceleration of this object
Note that m1 and m2 are still stuck together. What are the final velocities of m1 and m2?
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