A body covers one complete revolution on circular path of radius 7m in 2 seconds . What is velocity?
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Answer:
radius = 7 m
perimeter = 2× 22/7 × 7= 44 m
velocity is displacement/ time
displacement = 0
so velocity is zero
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Radius=7m
circumference of a circle =2πr = 2×22/7×7 =44m
velocity =displacement/time
velocity=0(starting and ending point are same)/2
velocity = 0
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