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Q: Why do roads have a constant gradient?
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Related questions

A line is the locus of points which what?

A line is the locus of points such that the gradient (slope) between that point and one fixed point in the plane is a constant. Technically, that definition does not include a vertical line because its gradient is not defined! You could get around that this by requiring that either the gradient is a constant or, if it is undefined, then the inverse gradient (dx/dy) is constant.


Can the spring constant be found by the gradient of the graph?

The answer depends on what the graph is of!


What is gradient force?

A force gradient means the force is different in one location than it is in another. It is simply not constant but a function of position.


When will one get a negative gradient for acceleration due to gravity experiment?

From Newton's Law, the force due to gravity is:F = -mg, (Force = -mass*accgra)-mg is a constant so taking the gradient will give you zero. Therefore, your answer is zero. Now, if you took the gradient of velocity, your answer would be a negative constant.


What is necessary for simple diffusion?

1, concentration gradient 2. diffusion constant >0


What is the equation of a line which has gradient 2?

Y=2x+c where c is arbitery constant


What is the rate of change of a linear function?

It will just be the gradient of the function, which should be constant in a linear function.


How do you evaluate graphs of proportional relationships?

They are straight lines through the origin and their gradient is the constant of proportionality.


Which constant tells you what the value of maximum and minimum?

Not a constant, but the differential, i.e. gradient, of the equation. It = 0 at maxima and minima, where the curve is at its turning-point(s).


What does k correspond to in a direct variation function?

k is the constant of variation and is the gradient (slope) of the relevant graph.


What would you expect to find in an area with ten evenly spaced contour lines?

A steady incline or decline - constant gradient


SI and CGS unit of porocity?

SI and CGS unit of porosity is the constant between the molar fluxes. This is due to molecular diffusion and the gradient.