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A particle is moving along a circular path of radius 5m with uniform speed of 5m/s .what will be the time taken by the particle in half revolution ?



The length of the circular path=2(pi)r
=2*3.14*5=31.4 m
v=5 m/s
time for the one revolution =31.4/5=6.28 sec
the time for half revolution=6.28/2=3.14 sec. ans.
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