If a Man Wishes to Use a Plane Mirror on a Wall

question 30

Multiple Choice

If a man wishes to use a plane mirror on a wall to view both his head and his feet as he stands in front of the mirror,the required length of the mirror:

• A)is equal to the height of the man.
• B)is equal to one half the height of the man.
• C)depends on the distance the man stands from the mirror.
• D)depends on both the height of the man and the distance from the man to the mirror.

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Definitions:

Grid Computing

A technology that connects geographically dispersed computers to create a virtual supercomputer for processing intensive tasks.

Utility Computing

A service provisioning model in which computing resources are provided and billed like traditional utilities such as electricity.

Variable Rate

An interest rate that can change over the duration of a loan, typically based on underlying benchmarks or indexes affecting the cost of lending.

LANs

Local Area Networks, a computer network that interconnects computers within a limited area such as a residence, school, or office building.