an athlete completes half of the circle of radius 2m in 5 sec. Then the average velocity of the athlete is
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an athlete completes half of the circle of radius 2m in 5 sec. Then the average velocity of the athlete is
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Here is the answer..
To find average velocity,
Average velocity= displacement / time
Displacement in covering a half of Circle of radius , 2m is equal to the diameter of Circle
Displacement = Diameter = 2× Radius = 2 × 2 = 4 m
Time taken = 5s
Time taken = 5s Now,put this value in the formula,
Time taken = 5s Now,put this value in the formula,Average velocity = 4 m / 5s = 0.8 m/s
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Time taken = 5s Now,put this value in the formula,Average velocity = 4 m / 5s = 0.8 m/s