In Order to Fire a Projectile Upward and Have It

question 20

Multiple Choice

In order to fire a projectile upward and have it escape the Earth's gravity,

• A)the kinetic energy of the projectile may have any positive value.
• B)the potential energy of the projectile must be positive
• C)the total energy (kinetic plus potential)of the projectile must be negative
• D)the total energy (kinetic plus potential)of the projectile must not be negative
• E)the total energy (kinetic plus potential)of the projectile must be exactly zero

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Definitions:

Mental Associations

Mental associations are connections made between different ideas, feelings, or memories in the mind.

Observable Behavior

Actions or reactions of an individual that can be directly seen and measured, as opposed to thoughts or feelings that are internal.

Cognitive Theory

A theory of psychology that emphasizes internal states, such as motivation, problem solving, decision-making, and thinking.

Psychodynamic Theory

Psychodynamic theory is an approach in psychology that emphasizes the influence of unconscious processes and childhood experiences on behavior.