When it is solar noon at a location at 75º W longitude, what is the solar time at a location at 120° W longitude?

Respuesta :

Answer:

Since solar time depends on the longitude, solar noon occurs at exactly the same moment in all locations that share your local meridian. When Is Solar Noon? In most places on Earth, solar noon does not happen at 12 o'clock. The Earth's rotation slowly shifts the meridian experiencing solar noon from east to west.

Explanation:

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Using the solar time on longitude 75°W, the tone at a location which is 120°W is 9:00 a.m

  • Degrees of Longitude = 360°

  • Hours per day = 24 hours

Degrees per hour = 360° ÷ 24 = 15°

This means that for every 15° moved, 1 hour is elapsed ;

Moving 75° to 120°

Difference = 120° - 75° = 45°

Number of hours passed = (45° ÷ 15°) = 3 hours

Since the direction is Westward ; we Subtract

12:00 noon - 3:00 hrs = 9:00 a.m

Therefore, the solar time is 9:00 a.m on longitude 120°W.

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