Water heater operated by solar power
A water heater is operated by solar power. if the solar collector has an area of 6.00m2, and the intensity delivered by sunlight is 550W/m2, how long does it take to increase the temperature of 1.00m3 of water from 20ºC to 60ºC?
Expected delivery within 24 Hours
What is the formal charge on the sulfur atom in the resonancestructure of SO2 that has one single bond and one doublebond?
A column of oil 8.00 m tall having density Density = 6,400 kg/m^3 is capped at the top. Air is introduced into a small space just above the water and brought to a pressure of 4.0x10^5 Pa. What is the pressure at the bottom of the column?
A bat flies toward a wall, emitting a steady sound with a frequency of 20.0 kHz. This bat hears its own sound plus the sound reflected by the wall. How fast should the bat fly, v, to hear a beat frequency of 220 Hz? Take the speed of sound to be 3
A 12-liter tank contains helium gas pressurized to 160 atm. What size tank would be needed to contain this same amount of helium at atmospheric pressure?
The convection coefficient is h = 10 W/m2K. Determine the centerline temperature of the beam after an exposure time of t = 6 hours.
Calculate the electric field a distance z from a uniformly charged infinite flat non-conducting sheet by modeling the sheet as a continuum of infinite circular rings of charge. (Use the following as necessary: s and e0.)
Two positive point charges Q1 = 16 micro Coulombs and Q2 = 4 micro Coulombs are seperated in a line by a distance of 3 meters. Find the spot on the line bewteen the charges where the electric field is zero.
Calculate the equilibrium concentrations of all species and the pH in a solution where Co(OH)2 is prepared by mixing 100.00 ml of 1.000 M Co(NO3)2 (aq) and 1000.00 ml of 5.000M NH3(aq)
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
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