emiremira
Answered

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45w is 12:00 noon what will be the local mean time at 90?​

Sagot :

raphealnwobi

Answer:

9 pm

Explanation:

If the local mean time at 45° W is 12:00 noon, what will be the local mean time at 90°E?

Solution:

The lines of longitude run from north to south, measuring distance from east to west of the prime meridian. The line of longitude are used to measure time.

Each 1° = 4 minutes

Change in degrees (we add since it is west and east) = 45° + 90° = 135°

Change in time = 135 * 4 minute = 540 minutes

change in time = 540 minutes = 9 hours

local mean time at 90°E = 12 noon + 9 hours = 9 pm

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