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A laser emits a monochromatic beam of wavelength λ, which is reflected normally from a plane mirror, receding at a speed v. What is the beat frequency between the incident and reflected light?
In preparation for an experiment that you will do in your introductory nuclear physics lab, you are shown the inside of a Geiger tube. Calculate the capacitance of your tube
At point A, 3,00 m from a small source of sound that is emitting uniformly in all directions, the sound level is 53.0 dB. what is the intensity of the sound at point A
Two converging lenses, the first with focal length 25 cm and the second with focal length 20 cm, are separated by 30 cm. What is the height of the final image
A cube with the side length 1.53 meters of solid styrofoam is completely submerged in fresh water such that the top of the styrofoam block is parallel to the water surface and is 2.55 meters beneath the surface
A proton moving at 3.6*10^5m/s to the right enters a region where a uniform electric field of magnitude 60kN/C points to the left
A 1.25 m long FM antenna is oriented parallel to the electric field of an EM wave. The eletric field produced from 1.46 mV between the ends of the antenna must be 9.12×10^-4 V/m. What is the rate of energy transport per square meter?
An electromagnetic wave has a magnetic field of rms value 3.0 x 10^-6 T. What is the intensity of the wave
A 625 kg woman climbs a staircase that rises at 48 degrees above the horizontal and is 4.25 m long. How much work has gravity done on her as she climbed the stairs
One cubic meter (1.00 m3) of aluminum has a mass of 2.70 103 kg, and the same volume of iron has a mass of 7.86 103 kg. Find the radius of a solid aluminum sphere that will balance a solid iron sphere of radius 1.24 cm on an equal-arm balance.
A 150g ball has a kinetic energy 27.2J. What's the magnitude of its momentum? Next, use that answer to find its speed. Express your answers with the appropriate units.
Two atomic particles approach each other in a head-on collision. Each particle has a mass of 1.81 x 10-25 kg. The speed of each particle is 2.13 x 108 m/s when measured by an observer standing in the laboratory.
A parachutist of mass 50kg jumps out of an airplane at a hight of 1000m. The parachute deploys, and he hits the ground with a velocity of 5m/s. Find the average resistance on the parachutist
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