Electrostatic force between two point charges
What must be the distance in meters between point charge q1 = 27.8 µC and point charge q2 = -68.7 µC for the electrostatic force between them to have a magnitude of 8.38 N?
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Approximately 23% of the calls to an airline reservation phone line result in a reservation being made.
Design a basic Rankine cycle that uses water, refrigerant-134a,or ammonia as the working fluid and that produces the maximum amount of work from this energy source while rejecting heat to the ambient air at 40 C.
An urn contains 8 red and 12 white balls. Draw one ball at random from the urn. Let X = 1 if a red ball is drawn and X = -1 if a white ball is drawn. Compute the variance of X.
You want to make an acetic acid/acetate buffer, pH 5.6, with a volume of 250 mL, and a final concentration of ([AcOH] +[AcO-]) = 0.1 M. You may only use acetic acid and sodium acetate (no strong acid or base).
A pressure cooker (closed tank) contains water at 200 F with the liquid volume being 1/10 of the vapor volume. It is heated until the pressure reaches 300 lbf/in.2. Find the final temperature. Has the final state more or less vapor than the initia
An unkiwn compound contians only carbon, hydrogen, and oxygen(CHO). Combustion of 3.50g of this compund produced 5.13g of carbon dioxide and 2.10g of water.
Two very small spheres are initially neutral and separated by a distance of 0.62 m. Suppose that 9.3 x 1013 electrons are removed from one sphere and placed on the other. What is the magnitude of the electrostatic force that acts on each sphere?
Snow is falling vertically at a constant speed of 9.0 m/s. At what angle from the vertical do the snowflakes appear to be falling as viewed by the driver of a car traveling on a straight, level road with a speed of 70 km/h?
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Assessment Techniques in Chapter 5, Bock describes his preferred interview process, which involves "combining behavioral and situational structured interviews
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