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The resultant of two vectors of magnitudes 2A and √2 A acting at an angle θ is √10 A. The correct value of θ is ?

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The resultant of two vectors of magnitudes 2A and √2 A acting at an angle θ is √10 A. The correct value of θ is ? 

  1. 30°
  2. 45°
  3. 60°
  4. 90°
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1 Answer

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 Correct Answer 2. 45°

Explanation:

 

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