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2 December, 18:40

How many times does the kinetic energy of a car increase when traveling 60 mph as opposed to traveling 30 mph? K. E. increases

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  1. 2 December, 21:18
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    Alfredo makes a diagram to organize his notes about charging objects.

    Which statement should he place in the region marked X?

    a) It does not involve touching the objects together. b) The objects develop opposite charges. c) Electrons move between objects. d) The objects have the same charge.
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