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Vector quantities have...

Vector quantities have

A

only magnitude

B

only direction

C

Both magnitude and direction

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
`C= (hati + 2hatj +2hatk)/(sqrt(1+4+4))xx sqrt((3)^(2)+6^(2)+2^(2))`
` = (hati +2hatij + 2hatk)/3 xx sqrt49`
` 7/3 (hati + 2hatj + 2hatk)`
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