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Two flat plates of glass, each 8.00 cm long, are in contact at one end and are separated by a piece of paper at the other end, as shown in the figure below. This creates a thin air wedge of variable thickness between the plates. The thickness of the paper is h = 63.5 μm.
What is the thickness t of the air film at a point that is a distance x = 5.70 cm from the end where the plates are in contact?
no physicist has ever lsquolsquoseen an electron. yet all physicists believe in the existence of electrons.an
When a 47.0-V emf device is placed across two resistors in series, a current of 4.0 A is flowing in each of the resistors. obtain the magnitude of the larger of the two resistances
A gas of 8.00×10^19 atoms or molecules has 1.10 Jof thermal energy. Its molar specific heat at constant pressure is 20.8 J/mol K. What is the temperature of the gas?
When a certain photoelectric material is illuminated with red light (?=715) and then blue light (?=400), calculate the work function of the material
The slope of the velocity time graph is the instantaneous acceleration. Instantaneous velocity is the derivative of the displacement time function. Average acceleration and instantaneous acceleration are always the same.
A plastic rod is rubbed against a wool shirt there by aquiring the charge of -0.80 mC. how many electrons are transfered from the wool shirt to the plastic rod.
X rays diffract from a crystal in which the spacing between atomic planes is 0.179nm. The second-order diffraction occurs at 51.0 degrees. What is the angle of the first-order diffraction?
An electron is to be accelerated in a uniform electric field having a strength of 1.60 106 V/m. Find over what distance would it have to be accelerated to increase its energy by 50.0 GeV
You travel 6m west and then 8m north all in 5 seconds. what is your average speed
protons in a cyclotron just before they emerge descries a circle of 0.40m. the frequency of the alternating potential
You have a summer job working for a company that designs amusement park rides. Their latest rollercoaster design involves a circular loop-the-loop with a radius of 12 meters. Neglecting friction, what's the minimum energy required for ensuring tha..
a very large nonconducting plate lying in the xy-plane carries a charge per unit area of 5theta. a second such plate
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