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4) Motion of a car on the straight road.Consider the motion of the tip of the minutes hand ofa length 'R' In half an hour itsM Displacement is 2R3) Displacement is 2R50.dock haning2) Distance covered sy1 Distance covered is 2 |
Answer» <p>Displacement is 2R , , distance is circumference of. semicircle = πR </p> <p>distance would be 2πr</p> <p>how ? if distance is 2πR. then according to in half hour , minutes hand should complete full rotation ? </p><p>its incorrect , distance is πR . </p> <p>no</p> <p>now , tell me.. how your answer is coming 2πR ?? 2πR means full circumference , of complete circle. Check your answer.. correctly</p> <p>in half hour he completed 1 revolution</p> | |