Determine the image distance and image height for a 5.00-cm tall object placed 20.0 cm from a concave mirror having a focal length of 15.0 cm.
1 / f = 1 / do + 1/di where f =15 cm and do=45 cm
hi / ho = -di / do where ho = 5 cm, do = 45 cm, and di = 60.0 cm
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