Question

The length of a second’s hand of a clock is 10 cm. Calculate the speed of the tip of the hand.

Answer 1

Explanation:

the length of second hand is 10cm

area covered by second hand in one minute=circumference of circle

=2*22*10/7

=440/7cm

area covered in one second=440/7*60

=21/22

speed of tip of second hand is=0.95cm/sec

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Answer 2

Answer:

Explanation:

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