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प्रश्न
How do you deduce that two vectors are perpendicular?
एक पंक्ति में उत्तर
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उत्तर
If two vectors `vecA` and `vecB` are perpendicular to each other then their scalar product `vecA` `vecB` = 0 because cos 90° = 0. Then the vectors `vecA` and `vecB` are said to be mutually orthogonal.
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अध्याय 2: Kinematics - Evaluation [पृष्ठ १००]
