Physics, 01.07.2021 14:00 chrisholmes176
One charge of +5.0c is placed at exactly x=0 and a second charge+7.0 is placed at x=100. Where can a third be placed so as to experience zero net force due to the other two?
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
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Which planet do you think would be easiest for humans to colonize some day?
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Asteel tube (k=50 w/mk) of inner and outer diameter di = 20mm and do=26mm, respectively, is used to transfer heat from hot gases flowing over the tube (h-hot = 200w/m2k) to cold water flowing through the tube (h-cold = 8000 w/m2k). what is the cold-side overall heat transfer coefficient uc? to enhance heat transfer 16 straight fins of rectangular profile are installed longitudinally along the outer surface of the tube. the fins are equally spaced around the circumference of the tube, each having a thickness of 2mm and a length of 15mm. what is the corresponding overall heat transfer coefficient uc? *solve for uc in both cases*
Answers: 1
One charge of +5.0c is placed at exactly x=0 and a second charge+7.0 is placed at x=100. Where can a...
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