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What is the highest order of the interference maximum possible for a diffraction grating with 500 lines per millimeter for light with wavelength = 680 nm?
a) 5
b) 4
c) 2
d) 3
e) 1
Commercial electric power in most of Europe is rated 240Vrms and 50Hz. (in the US the system is 120Vrms and 60 Hz.), Determine the rms-current drawn by thus bulb
A Styrofoam box has a surface areaof 0.84 m2 and a wallthickness of 2.0 cm. find what is the thermal conductivity of the Styrofoam
At a rock concert, the engineer decides that the music isn't loud enough. He turns up the amplifiers so that the amplitude of the sound, By what percentage does the intensity increase
A semi-infinite rod carrying a uniform charge distribution of lambda coulombs per meter lies along the positive x axis from x = 0 to x = infinity. Find the components of the electric field at the point with coordinates x, y, and z = 0
When a turntable rotating at 45 rev/min is shut off, it comes to rest in 20 s. Find the angular acceleration
a 500 omh resistor and a real inductor with a pure inductance L and an internal resistance of r are in series with a generator with a voltage of V = 10.0V, What are the values of L and r
In the figure below a crowbar is used to lift a weight. If a down ward force of 228 N is applied to the end of the bar, how much weight does the other end bear? The crowbar itself has negligible weight. (Let r1 = 29.0 cm and r2 = 4.70 cm.)
A fireman 44 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 22° above the horizontal. If the speed of stream as it leaves the hose is 40m/s, at what height will stream of water strike the buil..
Find the power in sideband, total power, carrier power, carrier rms voltage and the peak voltages for carrier and sidebands of AM transmitter.
q1. an 825-n sled is pulled a distance of 161 m. the task requires 1.50 104 j of work and is done by pulling on a rope
A bullet moving at 244 m/s strikes a tree and penetrates a distance of 8.34 mm before stopping. What was the average acceleration of the bullet as it slowed
a 315 kg box moving at 35 ms and strikes a 155 kg box which is at rest. if the 155 kg box travels 14 m before coming to
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