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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.
A car of mass m = 1190 kg is traveling down a ? = 14 degree incline. When the car's speed is v0 = 18 m/s, Calculate the distance the car travels down the hill L in meters until it comes to a stop at the end
Objects A and B have the equal mass of 3.4 kilogram and are at their melting point, Find the latent heat of fusion for the substance from which each object is made
An electric field is set up in a laboratory pointing into the positive direction with a magnitude of 1000 N/C. If you put a charge of +0.5C in this field, What is the force on the charge
Two particles are fixed to an x axis: particle 1 of charge-5.81 x 10-7 C is at the origin and particle 2 of charge+5.81 x 10-7 C is at x = 22.2 cm. Midway between the particles, what is the magnitude of the net electricfield?
The radius of our galaxy is 3 *10^20m, How much time would elapse on earth during the traversal
A 60.5 -kg runner has a speed of 4.60 m/s at one instant during a long-distance event. what is the runner's kinetic energy at this instant
A scientist changes the frequency of an incident X-ray to 4.50e19 Hz and measures the deflected X-ray frequency of 4.32e19 Hz. What was the angle of deflection
Find the strength of the magnetic field that causes a torque of 2.09 × 10-5 N·m to act on the loop when a current of 0.00361 A flows in it
A computer to be used in a satellite must be able to withstand accelerations of up to 25 times the acceleration due to gravity. What is the minimum amplitude of vibration that must be used in this test
An elastic cord vibrates with a frequency of 3.0 Hz when a .60 kg mass hangs from it. What would its grequency be if .38 kg hang from it?
The Earth is 93 million miles (mi) from the Sun and its period of revolution is 1 year = 3.15 x 10^7 s. What is the acceleration of the Earth in its orbit about the sun?
A non-conducting, infinitely long cylinder of radius R lies along the z-axis. Find what is the magnetic field on the z-axis
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