Find the magnitude and direction of the resultant of two vectors `vecA` and `vecB` in terms of their magnitudes and angle between them.

A parallelogram law helps to find the magnitude and direction of the resultant of two forces. If the magnitude of two vectors and their resultant are the same, what is the angle between the two vectors?

Parallelogram law help to find the magnitude and direction of the resultant of two forces. State the law.

Find a vector of magnitude 5 in the direction parpendicular to both veca and vecb .

Write the magnitude of a vector veca in terms of dot product.

Find the angle between two vectors veca and vecb with magnitudes 1 and 2 respectively and when veca . vecb=1

Find the magnitude of two vectors oversetrarra"and"oversetrarrb, having the same magitude and such that the angle between them is 60^@ and their scalar product is 1/2 .