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A vector A of magnitude 6 and another vector B have a resultant magnitude 12. The vector B:

Amust have a magnitude of at least 6 but no more than 18
Bmay have a magnitude of 20
Ccannot have a magnitude greater than 12
Dmust be perpendicular to A

Verified Answer :

syed514

A vector A of magnitude 6 and another vector B have a resultant magnitude 12. The vector B: must have a magnitude of at least 6 but no more than 18
As,
 
a+b > r
b > r-a

b >12-6
b> 6

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