Kinematics Question 23

Question: Maximum and minimum magnitudes of the resultant of two vectors of magnitudes P and Q are in the ratio $ 3:1. $ Which of the following relations is true

Options:

A) $ P=2Q $

B) $ P=Q $

C) $ PQ=1 $

D) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

According to problem $ P+Q=3\ \text{and }P-Q=1 $ By solving we get $ P=2\ \text{and }Q=1 $

$ \frac{P}{Q}=2 $ therefore $ P=2Q $



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