If we photograph a person's face using dim light and an extremely short exposure time, the film will reveal
A) a spread out but very fuzzy image of the face.
B) a very dim image of the face.
C) only a few separated tiny spots that don't much resemble the face.
D) only a few separated interference lines.
E) only a single tiny spot right at the center.
C
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The figure below shows a planet traveling in a counterclockwise direction on an elliptical path around a star located at one focus of the ellipse. When the planet is at point A,
A. its speed is constant. B. its speed is increasing. C. its speed is decreasing. D. its speed is a maximum. E. its speed is a minimum.