Question

the tip of second hand of a clock takes 60 second to move once on the circle dial of the clock if the radius of the dial of the clock be 10.5 CM calculate the speed of the tip of the second hand of the clock given pi=22/7

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Answer 1

Answer:

1.1 cm per second.

Explanation:

Circumference = 2×22/7×10.5

= ~ 66 cm in 60 seconds

So, speed = 1.1 cm per sec