An antelope is at a distance of 20.0 m from a converging
Chapter 36, Problem 51(choose chapter or problem)
An antelope is at a distance of 20.0 m from a converging lens of focal length 30.0 cm. The lens forms an image of the animal. (a) If the antelope runs away from the lens at a speed of 5.00 m/s, how fast does the image move? (b) Does the image move toward or away from the lens?
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