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PhysicsQ&A Library11. ◆-2 points SerCP11 16.2·P021. My Notes Ask Your Teacher A tiny sphere of mass 7.20 mg and charge-2.80 nC is initially at a distance of 1.64 μm from a fixed charge of +8.45 nC. (a) If the 7.20-mg sphere is released from rest, find its kinetic energy when it is 0.500 μm from the fixed charge (b) If the 7.20-mg sphere is released from rest, find its speed when it is 0.500 μm from the fixed charge. m/s Need Help? ReadIt Submit Answer Save Progress Practice Another VersionStart your trial now! First week only $4.99!*arrow_forward*

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