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The diffraction pattern of a uniformly illuminated double-slit aperture consists of bright fringes spaced 5.00 cm apart on a screen 2.00 m from the aperture. If the illumination wavelength is 633 nm and the fifth-order fringes are missing, what is the slit width and slit seperation?
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. (a) How many electrons are there in 4.79 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3) (b) What is the net charge of all these electrons?
A uniform 1200N beam that is 3.50 m long is suspended horizontally by two vertical wires at its ends. A small but dense 550 N weight is placed on the beam 2.00m from one end.
An aluminum cup of mass 200 g contains 800 g of water in thermal equlibrium at 80.0c. the combination of cup and water is cooled unformly so that temperature decreases by 1.50c per minute. at what rate is energy being removed by heat.
When the density of the string is changed, say increased, what is the effect on the frequency required to obtain a given number of loops
A friend tells you that when he takes off his eyeglasses and holds them 18cm above a printed page, what is the focal length of your friend's glasses
A proton initially at rest is accelerated by a uniform electric field. Find the voltage drop through which the proton moves
If the same number of 7.00 uF are connected in series with the same 3.00 V battery, how much charge will end up on each capacitor plate
Two Skaters collide and hold on to each other on a frictionless floor. find direction of the velocity of these skaters after the collision
A series AC circuit contains a resistor, an inductor of 230 mH, a capacitor of 4.30 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. obtain the phase angle between the current and the source voltage
A 0.60 nF parallel-plate capacitor has plate area A = 1.4×10?4 m. what is the plate separation
An advertisement shows a 1239 kg car slowly pulling at constant speed a large passenger airplane to demonstrate the power of its newly-designed 79.7 hp (horsepower) engine. How much work is performed by the car on the airplane during this time
Defend or refute the statements based upon your reading or any other outside sources you can quote. All statements must be backed up with citable references that are to be included in your discussion.
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