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An object is 12 cm in front of a concave spherical mirror,and the image is 3.0 cm in front of the mirror.What is the focal length of the mirror?
Total Fertility Rate
The average number of children a woman would have over her lifetime, given current birth rates.
Subsistence Levels
The minimum level of income or resources that is considered adequate to maintain life and health.
Efficient Energy Usage
The practice of utilizing energy resources in a way that maximizes output while minimizing waste and costs.
Electricity Generation
The process of producing electric power from sources of primary energy, such as coal, nuclear, wind, or solar.
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