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a 0050-kg lump of clay moving horizontally at 12 ms strikes and sticks to a 015-kg cart that can move on a frictionless
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field retards motion an electron with a speed of750 multiplied by 108 cms enters an electric fieldof magnitude 100
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as two trains move along a track their conductors suddenly notice that they are headed toward each other the figure
two identical conducting spheres fixed in place attract eachother with an electrostatic force of -06883 n whenseparated
two identical small insulating balls are suspended by separate0211 m threads that are attached to a common point on the