It would be 41 degrees above the horizon, directly north of you.
The angle of Polaris above the northern horizon is very nearly equal to your north latitude, within about 1/3 of a degree. So it's over your head when you stand at the north pole, it sits nominally on your north horizon when you stand anywhere on the equator, and if you're south of the equator, you can never see it at all.
180° north longitude
At the Tropic of Cancer, which is located at approximately 23.5 degrees north latitude, the altitude of Polaris (the North Star) is roughly equal to that latitude. Therefore, Polaris would be situated at an altitude of about 23.5 degrees above the northern horizon when observed from the Tropic of Cancer.
If an observer in Pennsylvania measures the altitude of Polaris to be 40 degrees, they could be approximately 40 degrees north of the equator, which would imply a latitude close to 40 degrees north. This is because the altitude of Polaris above the horizon is equal to the observer's latitude in the Northern Hemisphere.
At 41 degrees south latitude, Polaris, or the North Star, would be below the horizon and not visible. This is because Polaris is located near the North Celestial Pole, and its visibility is limited to the Northern Hemisphere. As you move further south, Polaris descends lower in the sky until it eventually disappears from view entirely.
The altitude of Polaris, also known as the North Star, is approximately equal to the observer's latitude. In Mamaroneck, which is located at about 42 degrees North latitude, Polaris would be roughly 42 degrees above the northern horizon. This means that if you were to look north from Mamaroneck, Polaris would appear at an angle of 42 degrees from the ground.
The angle of Polaris above the northern horizon is very nearly equal to your north latitude, within about 1/3 of a degree. So it's over your head when you stand at the north pole, it sits nominally on your north horizon when you stand anywhere on the equator, and if you're south of the equator, you can never see it at all.
180° north longitude
If an observer in Pennsylvania measures the altitude of Polaris to be 40 degrees, they could be approximately 40 degrees north of the equator, which would imply a latitude close to 40 degrees north. This is because the altitude of Polaris above the horizon is equal to the observer's latitude in the Northern Hemisphere.
You would never see Polaris there because it would always be 41 degrees or more below the northern horizon. On the other hand you can see many fine stars and constellations that are never seen in North Europe or the north of the USA and Canada.
Ambler's latitude is roughly 40.15° north, so when viewed from there, Polaris is always within about 1/3 degree of the point in the sky that's 40.15° above the due-north point on the horizon.
Polaris (or the North Star) is almost directly above the North pole. This means that when you stand on the north pole and look directly up, you will see Polaris. This also means that when you stand at the equator and look directly north, you will see Polaris on the horizon. You can not see Polaris from the Southern Hemisphere. The angle Polaris is above the horizon is equal to the degree latitude that you are standing on. Therefore at the equator, Polaris is 0 degrees above the horizon and at the north pole, Polaris is 90 degrees above the horizon.
The Prime Meridian is by definition 0 degrees longitude. So that part is a given simply because you're at the Prime Meridian. Polaris is directly over the North axial pole. If you were at the equator, Polaris would be right at the horizon (zero degrees above the horizon). If you moved 10 degrees north, Polaris would appear above the horizon by the same amount. So if Polaris is 50 degrees above the horizon, you must be 50 degrees north of the equator (meaning you're at 50 degrees North latitude).
The altitude of polaris for an observer is always the same as your latitude so it would be 64oN
37 degrees north latitude
The altitude of Polaris, or the North Star, can be roughly estimated as equal to the latitude of the observer. Mamaroneck, New York, is situated at approximately 40.95° N latitude. Therefore, the altitude of Polaris from Mamaroneck would be about 40.95 degrees above the northern horizon.
The angle of Polaris above the horizon is the same as the latitude from which you are trying to measure it. Hollywood Florida has a latitude of ~26 degrees, so Polaris is 26 degrees above the northern horizon.