Circular metal plate uniformly distributed
A circular metal plate of radius 0.2m has 10^10 excess electrons uniformly distributed over its surfaces. What is the magnitude AND direction of the field just outside the plate near its center?
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In a randomized comparative experiment on the effect of color on the performance of a cognitive task, researchers randomly divided 69 subjects ( 27 males and 42 females ranging in age from 17 to 25 years) into three groups
If your pupil diameter is 2.0 mm, as it would be in fairly bright light, what is the smallest diameter circle that you can barely see as a circle, rather than just a dot, if the circle is at your near point, 24.7 cm from your eye?
A population of 1000 voters contains 330 Republicans, 620 Democrats, and 50 independents and members of other parties. A simple random sample of 100 voters will be drawn from this population.
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The desired capacitance is 0.300 µF, and the capacitor must withstand a maximum potential difference of 4.00 kV. Find the minimum area of the capacitor plates.
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The elastic energy stored in a stretched bungie cord is found to be 568 J. The the bungie cord is stretched 0.349 m, find the elastic force exerted by the bungie cord on the external force. Don't forget to include units and calculate the answer to
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