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J. j. thomson’s experiment disproved the theory that an atom
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Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
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Eight books each 4.3 cm thick with mass 1.7 g lie flat on a table. how much work is needed to stack...
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