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PHYS2426 CH23 duiz 1. A small metal sphere, carrying a net charge of q1-2.80 uC, is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q27.80uC and mass 1.50 g, is projected toward q1. When the two spheres are 0.800 m apart, q2. is moving toward q1 with speed 22.0 m/s. Assume that the two spheres can be treated as point charges. You can ignore the force of gravity. (hint: use conservation of energy) (-7.80uC (a). What is the speed of q2when the spheres are 0.400 m apart? 22.0 m/s q 42 0.800 m (b). How close does q2 get to q? What would happen afterward? (c). What is the final speed of the ball when it is at infinity?
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stem Bath K 20 2. 2 ㄚㄧ 2 0-46 C 3 X 1ne Convested in o ele chic e hex 2 2 196 56 363X faxt o S41 33.320363.32 6:43 484.43 じ-22.663 mi s

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