Question

whats the displacement covered by a seconds hand of radius r in a clock after on revolution.

Answer 1

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the seconds hand starts from 12 and takes one revolution which means it comes back to the initial position.

we know that displacement is equal to the distance between initial and final position so,

after one complete revolution or 1 minute the displacement will be zero.

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Answer 2

Answer:

answer is zero.

Explanation:

Displacement can be defined as the difference between the initial and final position. in this case the distance will turn out to be zero.

this is because after one complete revolution, the seconds hand of the clock will come back to its initial position itself.

for example- if the seconds hand starts at one, after one full revolution, that is a minute, the seconds hand will come back to the number one itself. therefore in this case the initial position is one and the final position is also one.

hence the difference between the initial and final position is zero and so the displacement is said to be zero.

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