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A distant galaxy emits light that has a wavelength of 499.8 nm. On earth, the wavelength of this light is measured to be 503.8 nm. Find the speed of the galaxy relative to the earth. (Give your answer to 4 significant digits. Use 2.998 x 108 m/s as the speed of light.)
The intensity of the electromagnetic radiation from the Sun when it reaches the Venus' surface is approximately 2600 W/m2. What is the amplitude of the associated magnetic field
Gayle runs at a speed of 8.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 23.0 m. What is their speed at the bottom of the hill
700 g of an unknown metal powder at Thot = 78°C are dropped into a negligible heat capacity calorimeter containing 140 g of water at 11°C, Calculate the specific heat of the metal powder
assume a charge starts at rest on an equipotential surface, is moved off that surface, and then is eventually returned to the same surface at rest after a round trip. How much work did it take to do this? Explain.
Red light travels at 2.07×108 m/s in a particular type of oil. What is the index of refraction for red light in the oil
A 4.20 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest, What is the mass of the second sphere
A roof tile falls from rest from the top of a building. How far abovethe top of this window is the roof
If two tiny identical spheres attract each other with a force of 4.00nN when they are 28.0cm apart, what is the mass of each sphere
The unpolarized light of intensity I(not) is passed through two polarizers with axes oriented at 30degrees from each other. What intensity of light emerges
The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 2.0 rev/s in 8.0 s. Through how many revolutions does the tub turn during this 21-s interval
Discuss the meaning of a four-dimension space-time in relation to the Lorentz transformation. What is the geometry of this space-time called. What is the four-dimensional measure of the duration in space-time
A body is dropped from rest and falls freely. Determine the position and speed of the body after 1.0, 2.0, 3.0 and 4.0 s have elapsed
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