Problem based on radio transmitting antenna
Station KAIM in Hawaii broadcasts on the AM dial at 870 kHz, with a maximum power of 50000 W. At maximum power, how many photons does the transmitting antenna emit each second?
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A 4 kg mass is connected to a spring (k = 730 N/m) platform which undergoes simple harmonic motion in the vertical direction. The amplitude of the oscillation is 5 cm. At t=0 the box is 5 cm above the equilibrium position. (a) What is the period o
How much must be invested now to receive $25,000 for ten years if the first $25,000 is received today and the rate is 8%?
Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 2.00-m-long conducting wire. A charge of 60.0 µC is placed on one of the conductors. Assume that the surface distribution of charge on each sphere is
What mass of precipitate, aluminum hydroxide, forms when 185.5 mL of 0.533 M NaOH is added to 627 mL of a cake alum solution that contains 15.8 grams per liter? The other product is sodium sulfate.
Under the terms of his salary agreement, president Bob Wnek has an option of receiving either an immediate bonus of $40,000or a deferred bonus $75,000 payable in ten years.
Is it correct to say the difference in the patterns produced by monochromatic and white light is caused by the fact that monochromatic light waves interfere with each other when they pass through a diffraction grating, while the rays of white ligh
Sponsors of a local charity decided to attract wealthy patrons to its $500-a-plate dinner by allowing each patron to buy a set of 20 tickets for the gaming tables.
Francisco Company has 10 employees, each of whom earns $2,900 per month and is paid on the last day of each month. All 10 have been employed continuously at this amount since January 1.
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A 2-year-old girl is evaluated for cough, runny nose, watery eyes, and fevers for a week. She also developed a diffuse rash,
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