A charge of -2.05 nc and a charge of -6.20 nc are separated, Ask an Expert

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Q. A charge of -2.05 nC and a charge of -6.20 nC are separated by a distance of 70.0 cm. Find the position at which a third charge of +7.20 nC can be positioned ( from the -2.05 nC charge) so that net electrostatic force on it is zero.

Q. A 55 kg ice skater is moving at 4.00 m/s when she grabs a loose end of a rope, the opposite end of which is tied to a pole. She after that moves in a circle of radius .800 m around the pole. Conclude the force exerted by the horizontal rope on her arms. Compare this force with her weight.

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