Question

If a vector of magnitude 10 units along x-axis
multiplied by a constant number 4, then new vector
will be
(1) -10i
(2) 40 i
(3) 4 ]
(4) 2.51​

Answer 1

Answer:

Option (2) -> 40i

Explanation:

Let the vector be,

$\vec{A} = 10 \hat{i}$

We multiply the above vector with a real number 4,

$\vec{A} \times 4 = 40 \hat{i}$