The Graph in the Figure Shows the Position of a Particle

question 15

Short Answer

The graph in the figure shows the position of a particle as a function of time as it travels along the x-axis.
(a)What is the average speed of the particle between t = 2.0 s and t = 4.0 s?
(b)What is the average velocity of the particle between t = 2.0 s and t = 4.0 s?

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Definitions:

Ghrelin

A hormone produced mainly by the stomach that stimulates appetite and promotes fat storage.

Stomach

A muscular organ in the gastrointestinal tract that aids in the digestion process by secreting acid and enzymes to break down food.

Hormone

A regulatory substance produced in an organism and transported in tissue fluids such as blood to stimulate specific cells or tissues into action.

Peristalsis

The series of wave-like muscle contractions that move food through the digestive tract.