The special property of a plane is that these perpendiculars are in the same direction at every point.
The cutting edge is simply a flat sharpened surface which is perpendicular to the line of the shaft.
In a second simple case the wavevector is perpendicular to the velocity of the observer’s frame.
In this case, is the unbounded triangular prism perpendicular to the plane of the triangle.
In the furrow irrigation plots they were located at the same distances perpendicular to the planted row.
The actual length was calculated geometrically, taking into consideration that the frontal and lateral projections of the left ventriculogram are perpendicular.
Note that these lines lie perpendicular to the line formed by the critical segment and the critical value rays.
The polariser is measuring polarisation perpendicular to the optical axis.
The waves are transverse, which means that the direction of oscillation has to be perpendicular to the direction of motion of the wave.
The electric field must always be perpendicular to the surface of a conductor.
A spherical mirror collects and focuses the light onto the target spot perpendicular to the horizontal mounting plate.
In a steady-state monoclinic flow this section is perpendicular to the rotation axis of rigid objects.
The incoming wave fronts are perpendicular to the major axis.
In most cases the channel margins are not seen, but they can be shown to be several hundred metres wide, perpendicular to palaeoflow.
The flow is exposed to a uniform magnetic field which is oriented perpendicular to two duct walls and aligned with the non-conducting cylinder.
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