A 5-Kg Object Slides Down a Frictionless Surface Inclined at an Angle

question 31

Multiple Choice

A 5-kg object slides down a frictionless surface inclined at an angle of 30º from the horizontal.The total distance moved by the object along the plane is 10 meters.The work done on the object by the normal force of the surface is

• A)zero
• B)0.50 kJ
• C)0.43 kJ
• D)0.58 kJ
• E)0.25 kJ

Differentiate between the pharmacological treatments of depression, anxiety, schizophrenia, and bipolar disorder.

Recognize the principles of cognitive, behavioral, and psychodynamic therapies.

Identify the therapeutic goals and techniques of psychoanalysis.

Understand the application of therapy techniques for specific phobias and anxieties.

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Definitions:

Volley Principle

Theory of pitch that states that frequencies from about 400 Hz to 4,000 Hz cause the hair cells (auditory neurons) to fire in a volley pattern, or take turns in firing.

Frequency Theory

Theory of pitch that states that pitch is related to the speed of vibrations in the basilar membrane.

Hammer (Malleus)

A bone in the middle ear that transmits sound vibrations from the eardrum to the other ossicles.

Stirrup (Stapes)

A small bone in the middle ear that is involved in transmitting sound vibrations to the inner ear.