Question

The second's hand of a watch is 2 cm long. The speed of the tip of this hand is.?Please answer with full statement and calculation.

Answer 1

Explanation:

Given length of min hand is 2cms.Hence it will be radius of the clock

circumference of circle is=2pi r

circumference = 2*3.14* 2 = 12.56 cms

Hence it covers 12.56 cms in one minute

Speed = 12.56 cm/min

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