A body completes half of a circe in 5 sec. What is the distance covered,
Displacement speed, velocity of the radius of the circle is 15 cm?
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Answer:
t=5sec
distance=2πr/2(since it travelled half the circle)
=2π(15)/2
=15π cm
displacement=radius of circle=15cm =0.15m
velocity=displacement/time
=0.15/5=0.3ms^-1
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