Physics, asked by ravindrawagh951, 1 month ago

observe the second hand in a watch.What can you say about its speed and velocity?


please help me!​

Answers

Answered by lucknowisri123
1

Answer:

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Answered by jinsepoly
0

Answer:

0.21 cm/s

Explanation:

Angular speed of second's hand

ω=

revolution time(in sec)

Revolution time of second's hand =1rev/min=1rev/60sec

⇒ω=

60sec

So the speed of tip of the hand is given by

⇒v=rω=2cm×

60sec

≃ 0.21cm/sec

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