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## Homework Statement

A converging lens with a focal length of 30cm and a diverging lens with a focal length of -64cm are 139cm apart. A 4.0cm tall object is 50cm in front of the converging lens.

distance between image and diverging lens has been calculated to be -32cm, and it is right.

## Homework Equations

M = -(s'/s) = (hi/ho)

## The Attempt at a Solution

-(-32cm/50cm) = (hi/4.0cm)

hi = 2.56cm

I already got the mastering physics problem wrong. Used all my guesses. But the answer is 3.0cm and I have no clue how?