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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.
on april 22, D avid Ortiz of Boston Red Sox hit a home run on a 92mph fastball thrown horizontally from New York Yankee pitcher Masahiro Tanaka. compute the force exerted on the ball by the bat
A solid sphere and a solid disk of the same mass and radius are rolling wihtout slipping at the same speed. What is the ration of their kinetic energies?
When they oppose one another, the box accelerates at 0.240 m/s2 in the direction of F2. (a) What is the magnitude of F1? (b) What is the magnitude of F2?
Decide the specific internal energy of 98 L of neon gas at 400°C and 2 MPa. The neon gas has a total enthalpy of 1200 kJ . Suppose that the neon gas is an ideal gas.
A 3 kilogram cart moves on an air track at 1.2 meter per second. It collides with and sticks to another cart of mass 5 kilogram, Obtain the velocity of the combined cart after collision
A spring with k = 30.0 N/m is at the base of a frictionless 30.0° inclined plane. how far up the incline does it travel before coming to rest
Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 2.00-m-long conducting wire. A charge of 60.0 µC is placed on one of the conductors
steel expands 11 parts in a million for each 1 circ rm c change. consider a 40000-rm km steel pipe that forms a ring to
A spring is resting vertically on a table. A small box is dropped onto the top of the spring and compresses it. Determine the magnitude of the spring's displacement at an instant when the acceleration of the box is zero
A wire of diameter 0.750 mm and length 30.0 m has a measured resistance of 2.40 ?. What is the resistivity of the wire
Find the acceleration and the time it takes the block to go from z = 0m to z = 12m.
A certain soil has a monochromatic absorptivity of 0.91 at a wavelength of 5 micrometers. What will its monochromatic remittance at lambda=15 micrometers be if it's temperature is 290 K and it can be assumed to be a grey body?
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