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A diffraction grating with 2.507 X 10^3 lines/cm is used to examine the sodium spectrum. a) calculate the angular separation of the two closely spaced yellow lines of sodium (588.485 nm and 589.067 nm) in the first order. Answer in units of degrees. b) calculate the angular separation for the two lines in second order. Answer in units of degrees. c) calculate the angular separation for the two lines in the third order. andswer in the units of degrees.
A 2 kg block is connected into a spring attached to a wall with spring constant of 12 N/m. How far does the block travel before coming to rest
A ghost leaves a thin slime of ectoplasm (n=1.8) on a puddle of water (1.33). When looking down with light shining on the puddle, What is a possible thickness of the slime
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the stimulated emission wavelength
Two 2.0-g pith balls hang in air on essentially weightless cotton threads 50-cm long from a common point of support. Find the magnitude of the charge on each ball
A rock of mass m = 1.1 kg is tied to a string of length L = 2.5 m and is twirled in a vertical circle, what is the tension when the rock is at the bottom
A fisherman wants to know the mass of a trout he just caught but does not have scales. What is the mass of the fish
A door, essentially a uniform rectangle of height 2.00 m, width 0.83 m, and weight 109.0 N, find the horizontal components of the forces on the two hinges
A vertically positioned charged disk of radius R contains a unfirom positive charge density sigma. Find the expression for the angle theta made between the disk edge and the length L
The Mars Reconnaissance Orbiter circles the red planet with a 119 period. The mass of Mars is 6.42*10^23 , the radius is 3.38*10^6. What's the spacecraft's altitude?
An eagle is flying horizontally at 6.7 m/s with a fish in its claws. It accidentally drops the fish. How much time passes before the fish's speed doubles
Determine the maximum horizontal force that can be applied to the block before it slips.
In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is approximately 1.95 106 m/s. Find the centripetal acceleration of the electron
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