Car a Moves at Speed V Toward Car B,which Is

question 82

Multiple Choice

Car A moves at speed v toward car B,which is at rest.The frequency of car A's horn is observed by car B to be f.What is the frequency of car A's horn as heard by an observer in car B if car A is at rest and car B moves at speed v toward car A (assume there is no wind) ?

• A)f
• B)greater than f
• C)less than f
• D)either greater than or less than f
• E)2f

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Definitions:

Evergreen

Plants that maintain their green foliage throughout the year, regardless of seasons.

Angiosperms

Plants that bear flowers and generate seeds that are contained within fruits, making up the largest variety of terrestrial plants.

Animal Fertilization

The process by which sperm from a male and ovum from a female combine to form a zygote, leading to the development of a new organism.

Monocot

Flowering plant in which the embryo has one cotyledon.