An Elevator Is Rising at Constant Speed

question 31

Multiple Choice

An elevator is rising at constant speed. Consider the following statements: I. the upward cable force is constant
II. the kinetic energy of the elevator is constant
III. the gravitational potential energy of the Earth-elevator system is constant
IV. the acceleration of the elevator is zero
V. the mechanical energy of the Earth-elevator system is constant

• A) all five are true
• B) only II and V are true
• C) only IV and V are true
• D) only I, II, and III are true
• E) only I, II, and IV are true

Understand the definitions and applications of various research methods.

Differentiate between experimental, naturalistic observation, case study, and correlational research methods.

Recognize the role of independent, dependent, and confounding variables in research designs.

Identify the strengths and weaknesses of different research designs.

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Definitions:

Kant

A German philosopher who is a central figure in modern philosophy, known for his works in epistemology, ethics, and aesthetics.

Locke

John Locke was a 17th-century English philosopher known for his theory of mind, which is often cited as the origin of modern conceptions of identity and the self, emphasizing experience's role in shaping human understanding.

Gibson

Refers to James Gibson, a psychologist known for his work in visual perception and the theory of affordances which suggests that the environment offers opportunities for action.

Sensory Restriction

A method that involves limiting sensory input to the brain, which can lead to altered states of consciousness or relaxation.