A particle starts from rest on a circle of radius m with uniformly increasing speed. If it completes 5 revolutions in 5 seconds, then its tangential acceleration is
For a body starting from rest and moving with constant acceleration s = (at)t²
s = 5(2πR) = 5[2π (25/π)] = 250 m
Now, at = 2s / t² = 2(250) / 5²
at = 20 m/s²
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