Physics, 17.01.2020 05:31 ramosramos142
Jay fills a wagon with sand (about 20 kg) and pulls it with a rope 40 m along the beach. he holds the rope 25â above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 2
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The two metal spheres in the figure are connected by a metal wire with w switch in the middle. initially the switch is open. sphere 1, with the larger radius, i'd given a positive charge. sphere 2, with the smaller radius, is neutral. then the switch is closed. afterward, sphere 1 has charge q1, is at potential v1 and the electric field strength at its surface is e1. the values for sphere 2 are q2, v2, and e2. a. is v1 < ,> , or = to v2? explain. b. is q2 < , > , or = explain? c. is e1 < ,> ,or = to e2? explain?
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Jay fills a wagon with sand (about 20 kg) and pulls it with a rope 40 m along the beach. he holds th...
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