What Is the Acceleration of a Car That Starts from Rest

question 31

Multiple Choice

What is the acceleration of a car that starts from rest and 5 seconds later reaches a speed of 20 m/s?

• A)1 m/s²
• B)2 m/s²
• C)3 m/s²
• D)4 m/s²
• E)5 m/s²

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Definitions:

Concussion

A type of traumatic brain injury caused by a blow to the head, which affects brain function.

Syncope

A temporary loss of consciousness usually related to insufficient blood flow to the brain, commonly known as fainting.

Neurosecretions

Biochemical substances produced and released by neurons that influence the activity of other cells or a target organ.

Hypothalamus

A region of the brain below the thalamus; it directs several important bodily functions like temperature regulation and hunger.