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The trip of second hand of a clock takes 60 seconds to move once on the circular dial of the clock . If radius of the dial be10.5 cm, calculate the speed of the trip of the second hand of the cl ock |
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Answer» 0.01 m/s Explanation:SPEED = distance / time distance = circumference = 2¶r = 2 X 0.105 x ¶ (10.5 cm = 0.105 m) = 0.66 m speed = 0.66/ 60 = 0.01m/s |
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