a body has initially velocity of 36km/hr and moves under a constant retardation (-a)of 2m/s² calculate.(1)its velocity after 3 sec.(2)the time after which it will stop.(3)the distance it will travel before coming to rest.
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q (12 ) a)Average speed=total distance total time =2π×504×60=1.3m/s b) Average velocity=net displacement total time =04×60=0m/s ( because in one revolution it come again at same point)
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please send question in different threads
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