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Two different wavelengths of monochromatic light are projected through the same double slit. First a 490 nm light is projected and it forms a diffraction pattern where the second-order minimum is located 12.5 mm from the central bright spot on a screen 1.4 m from the slits. When the second light is projected through the slits the second-order maximum is located 12.5 mm from the central bright spot on the screen. What's the unknown wavelength?
? nm
Find the speed parameter and Lorentz factor for an electron that has a kinetic energy of 5.00 keV.
From illustrate what height did the student fall? Suppose that the only force acting on him during the collision is that due to the ground.
What is the ratio of the amplitude
Two small objects, A and B, are fixed in place and separated by 2.97 cm in a vacuum. Object A has a charge of +2.16 microC, How many electrons must be removed from object A
A 56.0 resistor is connected in parallel with a 117.0 resistor. This parallel group is connected in series with the 27.0 resistor. The total combination is connected across a 15.0 V battery. What is the current of the 117 resistor? What is the power ..
Three charges are at rest on the z axis: q1 = ?6.41 mC at z = 3.60 m, q2 = ?1.20 mC at z = 0 m, What is the potential energy of this system
create destructive interference between the speakers. Friction provides the force required for a car to travel around a flat, circular race track.
A 0.280 kg ball is dropped from rest at a point 1.35m above the floor. The ball rebounds straight upward to a height of 0.780 m. What are the magnitude and direction of impulse of the net force applied to the ball during the collision with the flo..
A 120 granite cube slides down a 40 degree frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 290 steel cube at rest. How high above the table should the granite cube be released to give steel cube a spe..
A series RLC circuit is shown in the figure. The circuit is powered by an AC source. The peak emf of the AC source is 110 volt, What is the resonant frequency of this RLC circuit (in the unit of Hertz
Compute magnitude of the average velocity
A pipe open only at one end has a fundamental frequency of 282Hz. A second pipe, initially identical to first pipe, is shortened by cutting off a portion of the open end.
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