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A coating of n1=1.27 material is to be added to n2=1.49 glass, in order to make it "iridescent."
a) Find the thinnest layer of material which will have a reflection maximum for normal-incidence light at BOTH 400 and 600 nm (vacuum) wavelength?
b) This thickness will have a reflection minimum at some wavelength between 400 and 600 nm. Determine the wavelength of the reflection minimum?
An ac generator with a frequency of 1.14kHz and an rms voltage of 20.2V is connected in series with a 1.80killo ohm resistor and a 320mH inductor. What is the average power consumed by this circuit
question two objects m1 2.15 kg and m2 4.30 kg sit on a horizontal frictionless surface and are pushed together with
A spring has a spring constant of 25 N/m, and a mass of 0.75 kg is suspended from it. If I pull the mass down by 0.13 m out of its equilibrium position, what is the work done against the spring?
A 175 kilogram ball on the end of a string is revolving uniformly in a horizontal circle of radius 0.500 meter. The ball makes 2.00 revolutions in a second. Compute the force a person must exert on opposite end of the string
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. what is the new acceleration of the box
Then find the force between them as a function of distance h. describe why the sign of the force does (or does not) make sense to you.
A baton twirler throws a spinning baton directly upward. As it goes up and returns to the twirler's hand, the baton turns during 3.83 revolutions. Ignoring air resistance and assuming that the average angular speed of the baton is 1.88 rev/s, Decide ..
part a calculate the speed of a proton after it accelerates from rest through a potential difference of 150 v . express
You are in a space shuttle traveling in the circular orbit, which is 410 km above the Earth. How long will it take you to catch up with your friend if you reduce your orbital radius by 1 km
two point charges lie on the x axis. a charge of 9.5 microc is at the origin and a charge of -6.5 microc is at x 10.0
Two 11 centimeter diameter charged disks face each other, 22 centimeter apart. Both disks are charged to -20 nC. Find what is the electric field strength a point
A very long, hollow cylinder (radius 4.7cm) is formed by rolling up a thin sheet of copper, Use Ampère's law to find the magnetic field outside the cylinder at a distance 6.8cm from the axis
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