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Is driving north uphill?
People making travel plans may unwittingly heed a strange rule of thumb — southern routes rule. “This finding suggests that when people plan to travel across long distances, a ‘north is up’ heuristic might compromise their accuracy in estimating trip durations,” Brunyé says. …
Do you get better gas mileage driving north or south?
Q: Is that why I get better gas mileage driving North than driving South over the same route in the USA? No. The same centrifugal force that causes the oblation also cancels out any extra burden imposed on climbing the grade—which only amounts to 3 km from the north to the south of the US mainland anyway.
Why do I get better gas mileage in the mountains?
Fuel economy improves at higher altitude in all engines because the pumping work is reduced. As you go up, a lower manifold vacuum is required to move the car. The lower vacuum means lower pumping work and the result is better fuel economy. This also explains the reduced power.
Is down north or south?
For world maps, because we often put them on a wall, north really is up, and south is down, even though on earth those directions are both horizontal.
Are cars faster at sea level?
Generally speaking, you can expect a car to lose around three horsepower for every 1,000 feet you climb. That means that your car could lose around 20 percent of its horsepower if you were to drive from sea level and up a mountain like Big Bear, which has an elevation of 6,750 feet.
Are Mountains bad for cars?
When climbing steep grades, higher elevations diminish a vehicle’s horsepower, and your car may not perform as well. Downshift out of overdrive and into a lower gear and keep a close eye on your temperature gauge. Even in cooler weather, the work it takes to climb mountains can cause your vehicle to overheat.
Is the map upside down?
The simple answer to the question was this: It isn’t upside-down at all. In a flip of convention, my giant, framed world map displays the southern hemisphere — Australia included — at the top. It’s a twist, but not strictly speaking a distortion.
Is north actually up?
For world maps, because we often put them on a wall, north really is up, and south is down, even though on earth those directions are both horizontal. Later, maps were oriented with north at the top for sailing ships, since that made it easier to do navigational calculations and use a magnetic compass.
Do you save gas going faster or slower?
The short answer: Nope. The reason: The common understanding is that going faster burns more fuel and therefore, the slower you drive, the less fuel your car will use, but this actually isn’t true. Most cars’ peak fuel efficiency occurs somewhere between 50-60 miles per hour.
Why is the Earth’s shape an oblate ellipsoid?
It is not perfect, but the earth takes the shape of an oblate ellipsoid due to centrifugal forces perpendicular to the axis of rotation. The centrifugal force gets larger as the distance from the axis of rotation increases, so it is zero at the poles and increases to a maximum at the equator.
Why does the earth bulge at the equator?
Earth bulges at the equator because of the centrifugal force during rotation. Like spinning a pizza, the mass pushes outwards and flattens out along the axis of rotation. Geographers model Earth shape as an ellipsoid, which is a sphere slightly flattened at the poles. They use a datum to reference geographic coordinates on Earth.
Is Earth an ellipsoid or a spheroid?
Although the earth’s shape is technically an ellipsoid, its major and minor axes do not vary greatly. In fact, its shape is so close to a sphere that it is often called a spheroid rather than an ellipsoid. A spheroid is simply an ellipsoid that approximates a sphere.
Is the Earth round or oblate?
Strange but True: Earth Is Not Round. Instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator. He was correct and, because of this bulge, the distance from Earth’s center to sea level is roughly 21 kilometers (13 miles) greater at the equator than at the poles.