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A broad source of light (λ=589 nanometer) illuminates normally two glass plates 12 centimeter long hat touch at one end and are separated by a wire 0.048 millimeter in diameter at the other end. Find how many bright fringes appear over the 12 centimeter distance?
an emf of 10 v is applied to a coil with an inductance of 40 mh and a resistance of 5.0 ? determine the energy stored
Two point charges, Q 1 = -2.0 μ C and Q 2 = +2.0 μ C, are placed as shown. In Fig. 21.2b, the x-component of the electric field, at the origin O, is closest to:
You want to project an image onto a wall. A typical slide for a projector is 24mm X 36 mm and the screen at the front of a room is 5m away. If you wish to fill a 1.2m X 1.8m screen, what focal length of lens do you need?
exactly 1.73 kg of water vapor is contained in a piston-cylinder assembly at a pressure of 1.00 mpa and temperature
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 size-5 soccer ball of diameter 22.6 and mass 426 rolls up a hill without slipping, reaching a maximum height of 3.50 above the base of the hill. How much rotational kinetic energy did it then have
A sheet of plywood 1.39 cm thick is used to make a cabinet door 55.5 cm wide by 69.5 cm tall, what is the moment of inertia of the door about the hinges
Two new particles, which have identical positive charge q3, are placed the same 0.0434 meters apart, and the force between them is measured to be the same as that between the original particles, What is q3
An extension cord made of two wires of diameter 0.129cm (no. 16 copper wire), How much power is dissipated in the cord
Find out the height from which you would have to drop a ball so that it would have a speed of 9.7 m/s just before it hits the ground.
The average density of a fish can be found by first weighingit in air and then finding the apparent weight of the fish as ithangs completely immersed in water
The concept of thermionic emission is the basis of modern X-ray tubes, which are the workhorse of a medical X-ray image. How many electrons, ne, has the filament lost
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