Question

Is there anyone who can solve this question? Catch a glimpse please.. humble request

Answer 1

Answer:-

Let the vector be at t = 0 be (2i +3j)

and at t =5 s be (13i + 14j).

so, the displacement of the body is

S = (13i + 14j) - (2i + 3j).

S = (13 - 2)i + (14 - 3)j.

S=11i + 11j

S=11(i + j).

Now ,

$average \: velocity = \frac{displacement}{time \: taken}$

$a.v = \frac{11(i + j)}{5}$

so,the average velocity is equal to $\frac{11(i + j)}{5} \:$

therefore, 4th option is correct.