The Work W (In Joules)done When Lifting an Object Varies

question 24

Multiple Choice

The work W (in joules) done when lifting an object varies jointly with the mass m (in kilograms) of the object and the height h (in meters) that the object is lifted.The work done when a 120-kilogram object is lifted 1.8 meters is 2116.8 joules.How much work is done when lifting a 200-kilogram object 1.5 meters? ​

• A)2960 J
• B)2920 J
• C)2940 J
• D)2950 J
• E)2930 J

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Definitions:

Langue

A term in linguistics introduced by Ferdinand de Saussure that refers to the abstract, systematic rules and conventions of a language, shared by a community.

Grammatical System

The set of structural rules governing the composition of clauses, phrases, and words in any given natural language.

Binary Oppositions

Pairs of contrasting concepts, such as light/dark or male/female, that are fundamental to some approaches in structuralist thought and analysis.

Langue

Langue is a term used in linguistics, referring to the abstract, systematic rules and conventions of a language, as opposed to parole, the actual use of language in context.