Question

how much time does a second hand take to complete one round of a clock​

Answer 1

60 seconds

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Answer 2

The second hand, to complete one round of a clock,​ takes 60 seconds or, 1 minute.

• One round is said to be completed when the path followed by the second hand makes one complete circle. Or, when the second hand returns to its initial position after making one complete rotation about the center of the clock, it is said to complete one round.
• Now, we know that 1 minute is equal to 60 seconds, and this is the time duration in which the minute hand moves one step, while the second hand moves 60 steps about the center, and also, the second hand completes a rotation about the center of the clock.
• Thus, the second hand, to complete one round of a clock,​ takes 60 seconds or, 1 minute.

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