A 1500-Kg Vehicle Travels at a Constant Speed of 22

question 3

Multiple Choice

A 1500-kg vehicle travels at a constant speed of 22 m/s around a circular track that has a radius of 85 m.
-Which statement is true concerning this vehicle?

• A)The velocity of the vehicle is changing.
• B)The vehicle is characterized by constant velocity.
• C)The vehicle is characterized by constant acceleration.
• D)The vehicle has a velocity vector that points along the radius of the circle.
• E)The vehicle has an acceleration vector that is tangent to the circle at all times.

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Definitions:

Enduring Truth

A concept or fact that remains valid and reliable over time.

Phenomena

Observable events or occurrences that can be studied scientifically to understand natural or social processes.

Phenylketonuria (PKU)

A genetic disorder caused by a defect in the gene responsible for processing the amino acid phenylalanine, leading to its accumulation and resulting in cognitive disability if untreated.

Phenylalanine

An essential amino acid that is a precursor for neurotransmitters such as dopamine and norepinephrine, important for brain function.