What is the distance of (0,-4) form the origin?

Fill ups The distance of the point (0,-4) from the origin is……………..

Find the vector equation of the plane which is at a distance of 6/sqrt29 from the origin and its normal vector from the origin is 2hati-3hatj+4hatk . Also find its cartesian form.

A small magnet of magnetic moment pixx10^(-3) Am^(2) is placed on the Y-axis at a distance of 0.1 from the origin with its axis parallel to the X-axix. A coil have 169 turns and radius 0.05 m is placed on the X-axis at a distance of 0.12 m from the origin with the axis of the coil coinciding with the X-axis. Find the magnitude and direction of the current in the coil for a compass needle placed at the origin, to point in the north-south direction.

Find the vector equations of the plane which is at a distance of 7 from the origin and its normal vector from the origin is 2hati-6hatj+3hatk .

A plane passes through thee points P(4, 0, 0) and Q(0, 0, 4) and is parallel to the Y-axis. The distance of the plane from the origin is

The distance of the pont P(4,3) from the origin is

A point on y axis at a distance y from the origin.

The distance of the point (x,y) from the origin is defined as d = max . {|x|,|y|} . Then the distance of the common point for the family of lines x (1 + lambda ) + lambda y + 2 + lambda = 0 (lambda being parameter ) from the origin is

A point charge q is placed at the origin. How does the electric field due to the charge vary with distance r from the origin?

Two charges -q and +q are located point (0, 0, -a) and (0, 0, a) respectively: Obtain the dependece of potential on the distance r of the point from the origin when r/2 gtgt 1 .