Question

If a 4i 3j and b 6i 8j then magnitude and direction

Answer 1

Answer:

Explanation:

4i+3j =a

6i+8j=b

Then magnitude =4i+3j+6i+8j=10i+11j

So actual magnitude =root over of 10²+11²=/100+121=/221$\sqrt{221)$

Direction =tan -¹11/10