A Person Jogs Toward a Plane Mirror at a Speed

question 23

Multiple Choice

A person jogs toward a plane mirror at a speed of 3 m/s. How fast is he approaching his image in the mirror?

• A) 5 m/s
• B) 1 5 m/s
• C) 6 m/s
• D) 4 m/s
• E) 3 m/s

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Definitions:

Liverworts

A phylum of spore-producing, nonvascular, thallose or leafy plants with a life cycle similar to that of mosses.

Club Mosses

A phylum of seedless vascular plants with a life cycle similar to that of ferns.

Horsetails

Fern relatives with hollow, jointed stems, to which tiny leaves (reduced megaphylls) are attached in whorls.

Haploid

A term referring to a cell that contains a single set of chromosomes, typical of gametes.