Question

two vectors have magnitude 2 metre and 3 metre.The angle between them is 60°.Find
a) the scalar product of two vector.
b) magnitude of their vector product.

Answer 1

HELLO THERE!

Let the two vectors be A and B.

According to your question,

|A| = 2m

|B| = 3m

Angle between them is 60°, so θ = 60°

Now,

(a) Scalar (DOT) product:

A.B = |A| |B| cos θ

= 2 x 3 x cos 60°

= 6 x 1/2

= 3

(ii) Vector (CROSS) product:

A x B = |A| |B| sin θ

= 2 x 3 x sin 60°

= 6 x √3/2

= 3√3

THESE ARE YOUR ANSWERS.

Thanks!

Answer 2

Answer:

this is the best answer