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What is the diffraction pattern of:a) a square array of dots?b) a rectangular array of dots?c) a parallelogram array of dots where the angle is not 900?d) a hexagonal array of dots?
How do the orientations of the diffraction patterns relate to the orientation of the array of dots?
Find the gauge pressure at a second point in the line 10.6m lower than the first if the pipe diameter at the second point is twice that at the first
A free electron is placed between two large, parallel, nonconducting plates that are horizontal and 2.90 cm apart. find the magnitude of the surface charge density on the plates
a 28Kg rock approaches the foot of a hill with a speed of 15 m/s.This hill slopes upward at a constant angle of 40degrees above the horizontal. use energy conservation to find the maximum height the rock will reach
An automobile accelerates from rest a 2.0 m/s2 for 20s.The speed is then held constant for 20 s, after which there is anacceleration of -3.0m/s2 until the automobilestops. What is the total distance traveled?
A resistance R and a 1.5-H inductance are in series across a 60-Hz ac voltage. What is the ac input voltage
The force lightly damped harmonic oscillator of mass, 0.062 kgs, driving force F0 = 4.4 N and linewidth 35 radians/second, Determine the new damping constant
A long jumper leaves the ground at an angle of 20.0o to the horizontal and at a speed of 11.0 m/s. What is the takeoff speed of the jumper
In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. For example, the note at 1.10 102 Hz has two strings at this frequency. If one string slips from its normal tension of 5.90 102 N to 5..
Your forehead can withstand a force of about 6.0kN before fracturing while your cheekbone can only withstand about 1.3 kN. what is the magnitude of the balls deceleration
You have a string with a mass of 0.0141 kg. You stretch the string with a force of 9.09 N, giving it a length of 1.81 m. What is the wavelength of the standing wave
A proton beam in an accelerator carries a current of115µA. If the beam is incident on a target, how many protons strike the target in a period of 26.0s?
two gliders a and b with mass 0.50 kg and 0.30 kg respectively move toward each other at 2.0 ms on frictionless linear
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