The maximum and minimum magnitude of the resultant
of two given vectors are 17 units and 7 unit respectively.
If these two vectors are at right angles to each other, the
magnitude of their resultant is
(a) 14
(C) 18
(b) 16
(d) 13
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Answer:
Let the vectors are a and b.
According to the to the question,
a+b=17 & a-b=7
Adding the above equations,
2a = 24
=>a=12 unit
Therefore, b =5 unit
If these two vectors are at a right angle to each other, the magnitude of their resultant is -
=√(5²+12²) unit
=√169 unit
=13 unit
Step-by-step explanation:
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