Question

The resultant of two vectors is perpendicular to one
of them and has the magnitude 4 m. If the sum o
the magnitude of two vectors is 8 m then the
respective magnitude are
(1) 4 m, 4 m
(2) 2 m, 6 m
(3) 3 m, 5 m
(4) 1 m, 7 m

plz solve this step by step ​

Answer 1

Answer:

Explanation:

Answer: answer is (3) i.e. 3m,5m.

Explanation:let one of the vector be a and other be b.

Now

a^2+4^2=b^2.....................(1)

And

a+b=8...................................(2)

From (1) and (2)

We get a=3 and b=5

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Answer 2

Answer:

4m, 4m I'd correct answer