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Given : vec(A)rarr=2hat(i)-3hat(j) is ...

Given `: vec(A)rarr=2hat(i)-3hat(j)` is
The magnitude of `(vec(A)+vec(B))` is `:`

A

`sqrt(120)units`

B

`sqrt(130)units`

C

`sqrt(58)units`

D

`sqrt(65)units`

Text Solution

Verified by Experts

The correct Answer is:
B
`(vec(A)+vec(B))=7hat(i)-9hat(j)`
`:. |vec(A)+vec(B)|=sqrt(49+81)=sqrt(130)`
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Knowledge Check

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