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The magnitudes of mutually perpendicular...

The magnitudes of mutually perpendicular forces a,b and c are 2,10 and 11 respectively. Then the magnitude of its resultant is

A

12

B

15

C

9

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
`R=sqrt(4+100+121)=15`
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