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Magnitude of the resultant vector which ...

Magnitude of the resultant vector which comes on the addition of two vectors `6 hati + 7 hatj and 3 hati + 4 hatj ` is

A

`sqrt ( 136)`

B

`sqrt (202)`

C

`sqrt ( 13.6)`

D

`sqrt (160)`

Text Solution

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The correct Answer is:
B
`vec A = vec B = 9 hati + 11 hatj `
Magnitude of resultant vector of `vec A + vec B` is
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