A Roller Coaster Starts from Rest at Point A

question 5

Multiple Choice

A roller coaster starts from rest at point A. If you ignore friction and take the zero of potential energy to be at C,

• A) the kinetic energy of the coaster at D will be equal to its potential energy at A.
• B) the kinetic energy of the coaster at E will be equal to its potential energy at C.
• C) the kinetic energy of the coaster at C will be equal to its potential energy at A.
• D) the kinetic energy of the coaster at B will be equal to its potential energy at C.
• E) None of these is correct.

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Definitions:

Research Variable

An element or factor within a study that can be changed and manipulated, or measured and evaluated to determine its effects on the outcome of the study.

Case-Study Evidence

consists of detailed examinations of individuals or groups from a real-world context, often used in psychology and sociology to explore complex issues.

Operational Definitions

Specific explanations of abstract concepts or variables in terms of the procedures or operations by which they are measured or manipulated.

Causal Relationships

A connection between two events where one event is understood to be a result of the occurrence of the other event.