Question

Calculate the time at 5°E longitude when it is 9am at 35°E longitude.​

Answer 1

Answer:

7 am

Explanation:

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Answer 2

Answer:

The time at 35°E longitude is 11am.

Explanation:

Longitudes run vertically around the earth from 90° North pole to 90° South pole.

And there are in total 360 longitudes.

Earth takes 24 hours to complete one rotation i.e., earth takes 1440 minutes to complete one 360°.

So, the time taken to travel one degree is

$\dfrac{1440}{360} =4m$

Thus, there is a 4minutes of distance between two longitudes.

Now given the time at 5°E longitude is 9am.

To find the time at 35°E longitude, let us find the difference between the longitudes.

so, $35^oE - 5^oE = 30^oE$

Thus, the time difference is

$30\times 4 =120\mbox{minutes}=2\mbox{hours}$.

Then, the time at 35°E longitude is $9+2=11am$

Therefore, the time at 35°E longitude is 11am.

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