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There are two forces vector,one of 5N an...

There are two forces vector,one of 5N and other of 12N. At what angle should the two vector be added to get the resultant vector of 17N, 7N,and 13N respectively?

A

`0^(@), 180^(@)` and `90^(@)`

B

`0^(@), 90^(@)` and `180^(@)`

C

`0^(@), 90^(@)` and `90^(@)`

D

`180^(@), 0^(@)` and `90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
Use `R^(2)=A^(2)+2AB cos theta` or see option
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