Your friend is 1.7 m tall. (a) When she stands 3.2 m from you, what is the
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(a) When she stands 3.2 m from you, what is the height of her image formed on the retina of your eye? (Consider the eye to consist of a thin lens 2.5 cm from the retina.)
(b) What is the height of her image when she is 4.2 m from you?
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