Question

Find out the time at 30° W when it is 12.00 noon at the Prime Meridian

Answer 1

Answer:

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Explanation:

First we have to find the difference in degrees between the two points, this gives (60+30)=90,(hint:east and west longitudes, you add). Also we know that 1 degree is equivalent to 4 minutes. Converting the difference in degrees between the two points into minutes gives, 90 by 4 which is equal to 360 minutes.Converting the minutes into hours gives 360/60=6 hours, this is because we know that 1 hour =60 minutes, then the time at 30 degrees west will be 12 noon subtract 6hours because it behind the prime meridian, which gives 6 am. Thus time 30 degrees west is 6 am.