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Kunti Krishna Agate
Asked: 2022-11-05T09:40:30+05:30 In:

A and B are two vector given by `A= 2hati +3hatjand B=2hati+4hatj` The magnitude to the component of A along B is
A. `(5)/(sqrt(2))`
B. `(3)/(sqrt(2))`
C. `(8)/(sqrt(5))`
D. `(5)/(sqrt(13))`

A and B are two vector given by `A= 2hati +3hatjand B=2hati+4hatj` The magnitude to the component of A along B is
A. `(5)/(sqrt(2))`
B. `(3)/(sqrt(2))`
C. `(8)/(sqrt(5))`
D. `(5)/(sqrt(13))`
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1 Answer

  1. Correct Answer – C
    (c ) Component of A along B=`(A.B)(B)`
    `=(4+12)/(sqrt((2)^(2)+(4)^(2)))=(16)/(2sqrt(5))=(8)/(sqrt(5))`

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