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The solar corona is a very hot atmosphere surrounding the visible surface of the sun. X-ray emissions from the corona show that its temperature is about 2×106K. The gas pressure in the corona is about 0.03 Pa.
Estimate the number density of particles in the solar corona.
Use a computer to produce a table and graph, like those in this section, for two interacting two-state paramagnets, each containing 100 elementary magnetic dipoles.
A circuit consists of an ideal ac generator, a 25 µF capacitor, and an 90? resistor, all connected in series. Find the average power supplied by the generator
A space station, in the form of a wheel 184 m in diameter, rotates to provide an "artificial gravity" of 7.40 m/s2 for persons who walk around on the outer rim. Find the rotational frequency of wheel (in revolutions per minute) that will produce t..
A particular organic molecule forms an electric dipole by possessing an effective charge separation of 0.177 nm for a pair of ±1.60 × 10-19-C charges. (a) What is the magnitude of the molecule's electric dipole moment?
A beaker of water rests on an electronic balance that reads 999.0 g. A 2.4 cm-diameter solid copper ball attached to a string is submerged in the water, What is the new balance reading
Make a 10 to12 slide powerpoint presentation on behaviourism and social-learning theory. Include speaker notes and graphics, limit text to fie lines, and use approximately five words per bulleted item.
Define FM and what parameter of the intelligence signal causes frequency deviation of the carrier?
A cylinder of gas is at room temperature (20°C). What is the new pressure of the gas relative to its initial pressure
A uniform electric field of magnitude 2500N/C makes an angle of 27 degrees with a plane surface of area 0.355 m2. what is the net charge inside the box
As part of a safety investigation, two 1900 cars traveling at 25 are crashed into different barriers. Find out the average forces exerted on (a) car that hits a line of water barrels and takes 1.8 to stop, and (b) car that hits a concrete barrier an..
A circular loop of wire 66 mm in radius carries a current of 102 A. find the energy density at the center of the loop
A puddle holds 150 grams of water. If .50 grams of water evaporates from the surface, what is the approx temperature altering of the remaining water.
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