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Question1
The rhinestones in costume jewellery are glass with index of refraction 1.50. To compose them more reflective, they are regularly coated with a layer of silicon monoxide of index of refraction 2.00. What is the least coating thickness required to ensure that light of wavelength 560 nm and of perpendicular incidence will be reflected from the two surfaces of the coating with fully constructive interference?
Question2
Two converging lenses are placed 30.5 apart. The focal length of the lens on the right is 15.0, and the focal length of the lens on the left is 10.5. An object is placed to the left of 10.5 focal-length lens. A final image from both lenses is inverted and located halfway between the two lenses. How far to the left of the 10.5 focal-length lens is an original object?
Prepare a multiple-step income statement for the year ended December 31, 2012, concluding with earnings per share.
Two rockets, A and B, approach the earth from opposite directions at speed 0.60c. What is the length of rocket A as measured by the crew of rocket B
A blacksmith cools a 1.30-kg chunk of iron, initially at a temperature of 650.0?C, by trickling 15.0?C water over it. How much water did the blacksmith trickle over the iron
Two people carry a heavy electric motor by placing it on a light board 2.70m long. One person lifts at one end with a force of 380N, Where is its center of gravity located
A capacitor C stores charge Q when there is a potential difference V. When a potential difference of V + 12.5Volts is used, an extra 45.50 microC of charge is stored. What is the capacitance C.
A 180g block hangs from a spring with spring constant 13N/m . At t=0s the block is 13cm below the equilibrium point, What is the block's oscillation frequency
A mass spectrometer is set up to measure the mass to charge ration (m/z) of chemicals by ionizing a molecule by stripping it of one of its electrons and sending it through an area with a constant magnetic field of 0.25T. How far in cm did the dete..
A suitcase (mass m = 18 kg) is resting on the floor of an elevator. What pressure (in excess of atmospheric pressure) is applied to the floor beneath the suitcase
Consider an atom of sulfur (chemical symbol S), How many electrons does a neutral atom of sulfur have
What is the magnitude of the acceleration caused by magnetic force? Ignore the gravitational force acting on the electron.
A block-spring system oscillates with an amplitude of 3.65 cm. The spring constant is 250 N/m and the mass of the block is 0.200 kg. Determine the mechanical energy of the system
An ocean liner leaves New York City and travels 39.0° north of east for 140 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
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