Given a vector, speed is the magnitude of the velocity vector, |v|.
Consider vector V= IVx + JVy + KVz the magnitude is
|V| = ( Vx2 + Vy2 + Vz2)1/2
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The Resultant Vector minus the other vector
If they are parallel, you can add them algebraically to get a resultant vector. Then you can resolve the resultant vector to obtain the vector components.
speed is distance divided by time Miles per hour velocity is distance divided by time for a given direction so it is direction sometimes known as a vector. so VECTOR
Given one vector a, any vector that satisfies a.b=0 is orthogonal to it. That is a set of vectors defining a plane orthogonal to the original vector.The set of vectors defines a plane to which the original vector a is the 'normal'.
Velocity is a vector, and so it has two components -- magnitude (speed) and direction. Speed is a scalar, and it is the magnitude of velocity, a vector.