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A certain atom of has 81 protons. Assume that the nucleus is a sphere with radius 6.99 fm, compute the magnitude of the electric field produced by the protons
Light precedes through three polarizing sheets. Unpolarized light enters the 1st sheet and the resultant vertically polarized beam continues through the 2nd and 3rd. What percent of the original int
Consider a diffraction grating with 7000. lines/cm with a screen 2.50 m away and 440. nm wavelength light. How many side maxima would be observed on one side of the central maximum
A diffraction grating has a spacing of 350 lines per mm and sits L = 47.7 cm from a screen. what is the wavelength of the laser
Light of wavelength 0.50 ?m illuminates a soap film (n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally on it
In the two-slit experiment, monochromatic light of wavelength 600 nm passes through a pair of slitsseparated by 2.20 x 10-5 m. What is the angle corresponding to the first bright fringe
Electromagnetic waves propagate through what? What is oscillating? What determines the velocity c in free space
Find a Compact Disk. find a white light source and see if you can convince yourself that you are looking at the reflection of the light source as seen in the first order m = 1 maxima, estimate the s
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 4.30 × 105 kg
Calculate the de Broglie wavelength ? of an electron with energy EF in sodium, and compare the value with the atomic separation R in sodium
A full length mirror on a closet door is 2.0 m tall. The bottom touches the floor. How long is the streak of reflected light across the floor
the security alarm on a parked car goes off and produces a frequency of 1220 Hz. The speed of sound is 343 m/s. At what speed are you driving
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window in one hour
A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. find the distance (in m) between the cliffs
A fine metal foil separates one end of two pieces of optically flat glass, as in Fig. 24-33. How thick is the foil
An inductor has a 53.6-? reactance when connected to a 60.0-Hz source. What is the maximum current in the inductor
Blood flows in an aorta of radius 8.0 mm at 28 cm/s. Calculate the volume flow rate in liters per minute
The pressure in a section of horizontal pipe with a diameter of 2.0 cm is 146 kPa. Water flows through the pipe at 2.80 L/s. what should the diameter of the constricted section be
Five identical resistors, each of resistance R, are connected in series to a battery, and a current of 7.39 A flows in the circuit. Find the new current in the circuit
Water at 20°C exits a circular tap moving straight down with a flow rate of 10.1 cm3/s. If turbulent flows are characterized by Reynolds numbers above 2300 or so, how far does the water have to f
A fountain designed to spray a column of water 10 m into the air has a 3 cm diameter nozzle at ground level. find the necessary absolute pressure the pump must exert
A certain transverse wave is described by y(x,t)=Bcos[2pi(x/L - t/T)], where B= 6.80mm , L= 30.0cm , and T= 3.30×10^-2s. Determine the wave's speed of propagation
A photon of wavelength 0.1800 nm strikes a free electron that is initially at rest, What is the energy of the photon (in eV) after it has scattered from the electron
Calculate the pressure variation corresponding to a sound insensity of 10-16 W/cm2
Two thermal reservoirs are connected by a solid copper bar. The bar is 3 m long, and the temperatures of the reservoirs are 63.0°C and 32.0°C. What is the rate of heat flow through the bar