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A thin flake of mica (n = 1.58) is used to cover one slit ofa double-slit interference arrangement. The central point on theviewing screen is now occupied by what had been the seventh brightside fringe (m = 7) before the mica was used. If = 525 nm, what is the thickness of the mica? (Hint:Consider the wavelength within the mica.)
Use the period of the earth (2.54 y), its mean orbital radius (1.496 × 10^11 m), and the universal gravitational constant (6.673 × 10^?11 N · m2/kg2) to calculate the mass of sun
If the density (mass divided by volume) of the wall material is the same as that of pure water, what is the mass (in mg) of the cell wall, assuming the cell to be spherical and the wall to be a very thin spherical shell
Determine the wave speed on the string and determine the speed of sound from the data given.
The turbines in a jet engine rotate with frequency 16.0 kHz. A) Find the period. Express your answer with the appropriate units. B) Find the angular frequency. Express your answer with the appropriate units.
Convex mirrors are used to monitor the aisles in a store. The radius of curvature is 4.0 m. Is the image real or virtual
q1. a 2.90-m-long 300 kg steel beam extends horizontally from the point where it has been bolted to the framework of a
a) What power contact lens should an optometrist prescribe to move the myopic far point out to infinity. b) with this correction, can Brian also read a book held at the normal near point, 25 cm from his eye.
What lengths of ship three sides according to the observer
In a certain experiment, the pressure of a gas depends on the volume by P=aV^2+b, where a=5.0 atm/m and b = 8.5 atm. What is the work done on the gas
Electrons are accelerated through a voltage difference of 300 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons
A cord connected at one end to a block which can slide on an inclined plane has its other end wrapped around a cylinder resting in a depression at the top of the plane . Determine the speed of the block after it has traveled 1.80 along the plane, ..
2.0 kg block is attached to a spring with spring constant 22 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 46 cm/s.
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