The tip of second hand of a clock takes 60sec to move once on the circular dial of the clock.If the radius of the dial of the clock be 10.5cm.Calculate the speed of the tip of the sec hand of the clock (π=22/7).

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Solution

The tip of the second's hand will cover the circumference that is 2πr
= 2×3.14×10.5 = 66
=66 cms and it takes 60 seconds to complete it and hence
Speed = 66/60 is 1.1 cm/s

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The tip of second hand of a clock takes 60sec to move once on the circular dial of the clock.If the radius of the dial of the clock be 10.5cm.Calculate the speed of the tip of the sec hand of the clock (π=22/7).

The tip of the second's hand will cover the circumference that is 2πr = 2×3.14×10.5 = 66 =66 cms and it takes 60 seconds to complete it and hence Speed = 66/60 is 1.1 cm/s

The tip of the second's hand will cover the circumference that is 2πr
= 2×3.14×10.5 = 66
=66 cms and it takes 60 seconds to complete it and hence
Speed = 66/60 is 1.1 cm/s