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Question: The frequency of a light wave is the same when the light travels in two different media. Assuming that the refraction indices of the two media are 1.628 and 1.862, respectively, find the ratio of the wavelength of the light in the first medium to that in the second medium.
question suppose a 0.4kg mass traveling at 50msec hits an elastic bumber system with a spring constant of 3500nm how
2 protons, each with charge q=1.602E-19 C, are fixed in space. They form a spherical nucleus with diameter 1E-15 m. Find electric potential energy for the electron in orbit
A camera has a telephoto lens of 260-mm focal length. The lens can be moved in and out a distance of 18.5 mm from the film plane by rotating the lens barrel. what is the closest object distance that can be focused
An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 mT, What is the pitch of the resulting helical path
You throw a 1 kg rock down a 5m-deep wishing well. It hits the water with a velocity of 7.5 m/s. How much work did air resistance do
Two steel wires of the same length, one with radius r and the other with radius 2r, are connected together, end to end, and tied to a wall. How far does the point where the two wires meet move
A block with mass m =7.0 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.2 m. Where is the potential energy of the system the greatest
A 6.00 kg mass (m) is suspended from a 65 kg flywheel having a radius of 0.75 m. Determine the angular acceleration of the flywheel as the mass falls
A rubber ball (150g) confined to move in the x direction, bounces elastically back and forth at 9m/s between two walls, Calculate the average pressure on this wall
A sample of a material has 40000 radioactive particles in it today. Your grandfather measured 80000 radioactive particles in it 60 years ago. how many radioactive particles will the sample have
Find the minimum uncertainty in the speed of a bacterium hav-ing mass 3.0 x 10-15 kg if we know the position of the bacterium to within 1.0 micron, that is, to about its own size.
A container X has 2 moles of gas with a pressure of 120 KPa at a constant temperature of 300K. 1) Find the volume of the gas in the container X. 2) If the temperature is now increased to 450K, what is the new pressure of the gas in the container X.
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