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Question: A university campus radio transmitter transmits at a power of 1921 Watts at a frequency of 98.6 MHz.
Part A- How many photons are emitted by the transmitter each second? Planck's constant is 6.63 x10-34 J.
Please show me how you do the above question.
Calculate the energy stored in a 60 pF capacitor when it is charged to a potential difference of 2.0Kv
What is the effect of thermal insulation on cooling
If two sound waves, one in air and one in (fresh) water are equal in intensity, what is the ratio of the pressure amplitude of the wave in water to that of the wave in air? Assume the water and the air are at 20°C.
Laser light at 635 falls on a double-slit apparatus with slit separation 6.9 .Find out the separation between the third and fourth bright fringes, as seen on a screen 1.4 from the slits.
Suppose you are looking down at the earth from inside a jetliner flying at a cruising altitude of 10,000m. The pupil of your eye has a diameter of 2.0mm, and the average refractive index of the material in the eye is 1.36.
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet
In a model AC generator, a 501 turnrect angular coil 10.0 cm by23 cm rotates at 123 rev/min in a uniform magnetic field of0.6 T. What is the maximum emf induced in the coil?
A 230 gmeteoroid (a space rock) is at rest at the origin when internal pressure causes it to burst in two, Find the velocity of the other piece
An old-style TV set places 50 kV across two plates of a parallel plate capacitor. What is the speed of the electron when it exits the hole in the plate
q1. a 1250 n uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. a w
A bike wheel with a mass of 2.5 kilogram and a radius of 33 centimeter rolls across a horizontal floor with a translational speed of 1.5 m/s. Compute how far up the ramp will it go before stopping
A cubical box is .75m on a side. a) What are the dimensions of the box as measured by an observer moving with a speed of .88c parallel to one of the edges of the box? b) What is the volume of the box, as measured with the observer?
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