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If vecV=3hati+4hatj then, with what scal...

If `vecV=3hati+4hatj` then, with what scalar 'C' must it be multiplied so that `|CV|=7.5`

A

0.5

B

2.5

C

1.5

D

3.5

Text Solution

Verified by Experts

The correct Answer is:
C
`|vecV|=sqrt(3^(2)+4^(2))=5, CV=7.5rArrC=(7.5)/(5)=(3)/(2)`
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