Find velocity of image in the given figure.

Explanation

Here `u=-30` cm
`f=-10` cm
From using mirror formula,
`1/v+1/u=1/f`
`v=-15` cm
`V_(IM)=- v^(2)/u^(2) (V_(OM))`
`V_(I)-(-1)=-(15/30)^(2) (2-(-1))`
`rArr V_(I)=-7/4` cm/sec.