Physics, asked by nanisaiprasad1234, 1 year ago

5. The length of vector, Ā=3i+4j +9k in y-z plane
is
(1) √30 units (2) √12 units
(3) √97 units (4) √50 units

Answers

Answered by awaisanwar492

2

Answer:

(3) is correct ║A║ = √97

Explanation:

║A║ = √(0)²+(4)² + (9)²

║A║ = √16 + 81

║A║ = √97

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