Examlex
A 5200-kg cable car in Hong Kong is pulled a distance of 360 m up a hill inclined at 12º from the horizontal.The change in the potential energy of the car is
Telephone Surveys
A method of data collection involving the use of telephone calls to gather information or opinions from respondents, widely used in market research, opinion polling, and social science research.
Literacy Skills
Literacy skills involve the ability to read, write, speak, and listen in a way that allows effective communication and understanding of information, widely considered essential for personal and societal development.
Correlation
A statistical measure that indicates the extent to which two or more variables fluctuate together, showing the strength and direction of this relationship but not causation.
Variables
Characteristics of objects, people, or groups of people that can be measured.
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