The Speed of an Object Is Given By $$\nu = 5.00 t ^ { 2 } + 4.00 t$$

question 21

Multiple Choice

The speed of an object is given by $$\nu = 5.00 t ^ { 2 } + 4.00 t$$ where v is in m/s and t is in s.What is the acceleration of the object at t = 2.00 s?

• A)5.00 m/s²
• B)9.00 m/s²
• C)10.0 m/s²
• D)14.0 m/s²
• E)20.0 m/s²

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Definitions:

Broca's Area

A region in the frontal lobe of the dominant hemisphere of the brain associated with language processing, speech production, and comprehension.

Muscle Movements

The action of muscles contracting and relaxing, which results in movement of body parts or the entire body.

Speech

Speech is the verbal expression of thoughts, feelings, or information, made possible through the coordinated use of the vocal tract, including the tongue, throat, and lips.

Brain Plasticity

The capacity of the nervous system to change its structure and function in response to experience or injury.