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hati and hatj are unit vectors along x a...

`hati and hatj` are unit vectors along x and y axis. What is the magnitude and direction of the vector `hati + hatj` ?

A

`sqrt2,90^@`

B

`2sqrt2,45^@`

C

`sqrt2,45^@`

D

`sqrt3,30^@`

Text Solution

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The correct Answer is:
C
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