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You are on a boat which is crossing the prime meridian. the altitude of polaris is 50º.explain how you know the boat's location is 50º north latitude and 0º longitude.

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The definition for the prime meridian is: The prime meridian with 0 degrees longitude runs through Greenwich. Polaris is the north star at 50 degrees above the horizon, which means 50 degrees latitude. 
If you observe Polaris  at 50 degrees of altitude, you are at latitude 50 North. You that's why you know that your boat's location is 50º north latitude and 0º longitude.

Answer:

Our boat is at [tex]50\vec A^{\circ}[/tex] North latitude and [tex]0\vec A^{\circ}[/tex] longitude

Explanation:

Prime meridian is an imaginary line which bisect earth in western and eastern part.

Polaris is a north star at 50 degree above the horizon, which means 50 degree latitude.

if we observe Polaris at 50 degree of altitude it means we are at the latitude of 50 degree north.

That's why we know that our boat is at [tex]50\vec A^{\circ}[/tex] North latitude and [tex]0\vec A^{\circ}[/tex] longitude.

For more details please refer link:

https://brainly.in/question/10992670?referrer=searchResults

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