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Your friend is 1.7 m tall (a) When she stands 3.2 m from you, what is...

Your friend is 1.7 m tall (a) When she stands 3.2 m from you, what is the height of her image formed on the retina of your eye? (Compare 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? Please show all work, and include all units in each step.

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