A Mass on a Spring Vibrates Horizontally on a Smooth

question 50

Multiple Choice

A mass on a spring vibrates horizontally on a smooth level surface (see the figure) . Its equation of motion is x (t) = sin t, where t is in seconds and x in centimeters.
Find the velocity at time t.

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Definitions:

Homeostasis

The process by which living organisms maintain a stable internal environment despite changes in the external environment.

Arousal

A physiological and psychological state of being awoken or stimulated to action or response.

Biological Motives

Innate drives based on biological needs that must be met for survival, such as hunger, thirst, and the need for sleep.

Drive

An internal motivational state created by physiological or psychological needs that drives an organism to fulfill those needs.