Q1 two identical 30 rm g particles each carry 30 rm mu c of, Ask an Expert

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Q1. Two identical 30 {rm g} particles each carry 3.0 {rm mu C} of charge. One is held fixed, and the other is placed 1.0 {rm mm} away and released. Find out the speed of the moving charge when it's 1.0 {rm cm} from fixed charge.

Q2. An 82 kg parachutist descends through a vertical height of 350 m with constant speed. Find out the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C.

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