A 7.5 nc charge is located 1.8m from a 4.2 nc charge. find, Ask an Expert

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Q1. The two stones described there have identical initial speed of 13m/s and are thrown at an angle of 30, one below the horizontal and one above horizontal. What is the distance between the points where stones strike the ground?

Q2. A 7.5 nC charge is located 1.8m from a 4.2 nC charge. Find out the magnitude of the electrostatic force that one charge exerts on the other. Is the force attractive or repulsive?

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