A ball of mass 50kg sits on a swing,suspended by a rope 5m long. A person pulls the rope that makes an angle of 30degree with the vertical. what is the gain in the gravitational potential energy of the boy?
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Explanation:.4) What is meant by eletriccurrent?Name and define its slunit.In a conductor electrons are flowing from B to A. What is the direction of conventional current?Give Justification for your answer.Asteadincurrent of 1 ampere flows theough a conductor.calculate the number of electrons that flows through Any Section of the conductor in a second.
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