Two horizontal forces of magnitudes of 1...

Two horizontal forces of magnitudes of `10N` and `P N` act on a particle. The force of magnitude `10N` acts due west and the force of magnitude `P N` acts on a bearing of `30^(@)` east of north as shown in (figure) The resultant of these two force acts due north. Find the magnitude of the resultant.

A

`10sqrt(2)N`

B

`15sqrt(2) N`

C

`12sqrt(5)N`

D

`10sqrt(3) N`

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The correct Answer is:

D

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