Question

Calculate A×B Where A is 4m and B is 3m for two vectors and the angle between them is 450

Answer 1

The vector product of two vectors can be found as follows:

$$\vec{A}\times\vec{B}=|\vec{A}|\cdot|\vec{B}|sin\theta,$$ $$\vec{A}\times\vec{B}=4\ m\cdot3\ m\cdot sin45^{\circ}=8.48\ m^2.$$