Mathematics In ...

If the magnitude of the sum of two vectors is equal to the magnitude of the difference of the two vectors, the angle between these vectors is:

If the magnitude of the sum of two vectors is equal to the magnitude of the difference between the two vectors, the angle between these vectors is:

If vectors A = cosωt + sinωt and B = (cosωt/2) + (sinωt/2) are functions of time, then the value of t at which they are orthogonal to each other

Six vectors have the directions as indicated in the figure. Which of the following statements may be true?

A particle moves from a point when a force of  is applied. How much work has been done by the force?

In the given figure

A force of 6 N and another of 8 N can be applied together to produce the effect of a single force of -

Which of the sets given below may represent the magnitude of resultant of three vectors adding to zero?

A blind person after walking 10 steps in one direction, each of length 80 cm, turns randomly to the left or to the right by 90°. After walking a total of 40 steps the maximum possible displacement of the person from his starting position could be -

The resultant of two vectors A and B is perpendicular to the vector A and its magnitude is equal to half the magnitude of vector B. The angle between A and B is -