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प्रश्न
Two vectors of equal magnitude P make an angle of 0° between them. What is the magnitude of their resultant?
विकल्प
P
2P
P√2
0
MCQ
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उत्तर
2P
Explanation:
When θ = 0°, cos 0° = 1, so R = √(P² + P² + 2P² × 1) = √(4P²) = 2P.
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