What Is the Speed of a Proton That Has Been

question 43

Multiple Choice

What is the speed of a proton that has been accelerated from rest through a potential difference of 4.0 kV?

• A)1.1*10⁶ m/s
• B)9.8 *10⁵ m/s
• C)8.8 * 10⁵ m/s
• D)1.2 *10⁶ m/s
• E)6.2* 10⁵ m/s

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Definitions:

Crucial Species

Key species that have a disproportionately large effect on their ecosystem's structure and function, often pivotal for biodiversity.

Keystone Species

A crucial species whose presence significantly influences the survival of other species in an ecosystem, and its removal would lead to significant changes in the ecosystem's structure.

Tropic Interactions

Ecological interactions that cause organisms to move or grow toward or away from stimuli, including phototropism, hydrotropism, and others.

Ecosystem Function

The collective biological, geochemical, and physical processes within an ecosystem, which support and regulate the flux of energy and matter.