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There are two forces vectors, one of 5N ...

There are two forces vectors, one of 5N and other of 12N at what angle the two vectors be added to get 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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