A bead with a mass of 0.02 g and a charge of 20nc is free, Ask an Expert

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Q. A bead with a mass of 0.020g and a charge of 20nC is free to slide on a vertical rod. At the base of the rod is a fixed 20nC charge.

In equilibrium, at what height above the fixed charge does the bead rest?

Q. A boat moves through the water at 15 m/sec. the engine must provide a force of 6*10^3n to keep the boat moving. what power must the motor generate?

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Category:- Physics
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