A Particle Moves Along the X Axis According to the Equation

question 68

Multiple Choice

A particle moves along the x axis according to the equation x = 6t² where x is in meters and t is in seconds.Therefore:

• A)the acceleration of the particle is 6 m/s²
• B)t cannot be negative
• C)the particle follows a parabolic path
• D)each second the velocity of the particle changes by 9.8 m/s
• E)none of the above

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Definitions:

Gases Exchange

The biological process through which gases like oxygen and carbon dioxide are transferred between organisms and their environment.

Breathing

The process of inhaling and exhaling air to facilitate gas exchange within the lungs.

Vocal Cords

Folded membranes in the larynx that vibrate to produce sounds when air is expelled from the lungs.

Larynx

Cartilaginous organ located between the pharynx and the trachea; in humans, contains the vocal cords; sometimes called the voice box.