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What is the resultant vectors , when two...

What is the resultant vectors , when two vectors are at right angles to each other ?

A

`R = sqrt(P^(2) Q^(2))`

B

`R = P +Q`

C

R = P - Q

D

`R = sqrt((P)/(Q))`

Text Solution

Verified by Experts

The correct Answer is:
A
`R = sqrt(P^(2) +Q^(2) +2PQ cos 90^(@))`
` = sqrt(P^(2) +Q^(2))`
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