Question

The maximum and minimum magnitude of the resultant of two vectors are 17 units and 7 units respectively, the magnitude resultant of the vectors when they act perpendicular to each other is 1) 14 2) 16 3) 18 4) 13

Answer 1

Mean a is 12 and b is 5
By adding them ans is 17 while subtracting ans is 7

So use pathagorous theorem to find resultant at perpendicular. .

R = √ (12)2 + (5)2
R = √ 144+ 25
R = √ 169
R = 13


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Answer 2

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