Clock hands

The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day?

Correct result:

s =  13571.68 cm

Solution:

r=1.5 cm o=2π r=2 3.1416 1.59.4248 cm s=24 60 o=24 60 9.4248=13571.68 cmr=1.5 \ \text{cm} \ \\ o=2 \pi \cdot \ r=2 \cdot \ 3.1416 \cdot \ 1.5 \doteq 9.4248 \ \text{cm} \ \\ s=24 \cdot \ 60 \cdot \ o=24 \cdot \ 60 \cdot \ 9.4248=13571.68 \ \text{cm}



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