This Graph Shows the Position of a Particle as a Function

question 85

Multiple Choice

This graph shows the position of a particle as a function of time. What is its instantaneous velocity at t = 7s?

• A) 3 m/s
• B) -3 m/s
• C) 12 m/s
• D) -12 m/s
• E) Need additional information.

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Definitions:

Capillary Walls

The thin, semi-permeable barriers of capillaries that allow for the exchange of oxygen, nutrients, and waste products between the blood and tissues.

Filtration

A process of separating suspended particles from fluids, gases, or other substances by passing them through a filter.

Osmosis

The diffusion of water across a semipermeable membrane such as a cell membrane.

Left Atrium

One of the four chambers of the heart, receiving oxygenated blood from the lungs and pumping it into the left ventricle.