Physics, asked by kabirsingla8148, 1 year ago

The second's hand of a watch is 2 cm long. the velocity of its tip is

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Answered by snehathomas414

1

We know that speed=distance /time. Distance travelled by seconds hand=(circumstance) =2×pi×r r=2cm time=60sec Speed=2×pi×20/60 =2.1cm/sec

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