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According to Wikipedia:
"As a general definition, altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object." ['down' is measured as depth.]
If you're discussing flying altitude, it probably cannot be negative, because the reference point is the ground.
In a geography which is below sea level, you could describe the altitude as negative, but more properly, you'd describe the elevation not the altitude.
(The Mojave Desert and New Orleans, Louisiana, in America both have elevations below sea level.)
What else can I help you with?
If an altitude is negative where is the object?
Altitude is the distance above ground-level that an object is, in a vertical direction (that is, directly away from the centre of the Earth). If this is negative then the object is below ground-level, so it is underground.
Is altitude negative or positive?
Yes, that is correct. Altitude above sea level, for example, is negative or positive - if you are below sea level, a negative number will be used.
Is altitude mean positive or negative?
I KNOW FROM MY mind that altitude means going up.
What is the difference between a negative the altitude and a positive altitude?
Altitude describes an object's position relative to sea level. An object in a position higher than sea level would have a positive altitude, sea level would have an altitude of zero, and any object below sea level would have a negative altitude.
What condition is pressure altitude and density altitude the same value?
At standard temperature.
What is the value of negative 9?
negative nine is the value of negative nine
What are the charerictics of the mesosphere?
the altitude is 10 negative 85 km
What is the minimum altitude at which mach number can be calculated?
It can be calculated at any altitude - including negative ones - eg under water.
What does a negative add a positive equal?
If the absolute value of the negative is bigger than that of the positive, then the answer is negative. If the absolute value of the negative is the same, then zero. If the absolute value of the negative is smaller, then positive. Absolute value is the value ignoring the sign.
Does a positive value multiplied by a negative value equal a positive?
No, the product of the multiplication of a positive and a negative value is negative.
Will a negative number to the fifth power be a positive or negative value?
The result will be a negative value.
Can an absolute value equal a negative?
An absolute value can not be negative.
