an object starts on a circular path of radius 28 m and covers 1/2 circle in 12 seconds find the velocity and displacement at the end of 12 seconds
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if you are taking about average velocity
it is
total displacement /total time
total displacement = 28+28 = 56 m
velocity = 56 / 12 =14 /3 m per sec
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Radius = 28m
Perimeter of circle = 2πr = 2×22/7×28
= 2×22×4 = 176m
Displacement of body = 2r = 2×28 = 56m
Time taken = 12s
Therefore,
velocity = Displacement/Time = 56/12 = 14/3 m/s
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