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If the resultannt of two forces of magni...

If the resultannt of two forces of magnitudes P and Q acting at a ponit at an angle of `60^(@)` is `sqrt(7)Q`, then P/Q is

A

1

B

`(3)/(2)`

C

2

D

4

Text Solution

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The correct Answer is:
C
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ALLEN-UNIT & DIMENSIONS, BASIC MATHS AND VECTOR -Exercise (O-1) Single Correct Type Questions.
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  17. If veca and vecb are two unit vectors such that veca+2vecb and 5veca-4...

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  20. Which of the following is perpendicular to hati-hatj-hatk?

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