The x and y components of vector are 4m and 6m respectively. The x, y components of vector are 10m and 9m respectively. The length of is ______ and angle that makes with the x axis is given by _______.
A particle travels with speed 50 m/s from the point (3, 7) in a direction . Find its position vector after 3 seconds.
If is a vector and x is a non-zero scalar, then
(A) xa is a vector in the direction of
(B) xa is a vector collinear to
(C) xa and have independent directions
(D) xa is a vector perpendicular to
If a, b, c are three non-zero vectors such that the value of is
(A) Less than zero
(B) equal to zero
(C) greater than zero