A Car's Engine Is 20% Efficient

question 72

Multiple Choice

A car's engine is 20% efficient.When cruising,the car encounters an average retarding force of 1000 N.If the energy content of gasoline is 40 megajoules per liter,how many kilometers per liter does the car get?

• A)14
• B)12
• C)10
• D)8
• E)none of these

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Definitions:

Authoritarian

Describes a governing or leadership style characterized by strict obedience to authority, often at the expense of personal freedom.

Permissive

A term often used in parenting or leadership styles that allow for freedom and lack strict rules or structure.

Western Parents

A generalized term often referring to parenting styles traditionally seen in Western cultures, emphasizing independence and self-expression.

Obedience

The act of following orders or directions from someone in authority, often studied in the context of social psychology.