The Magnitude of the Acceleration of an Object Moving in a Circle

question 11

Multiple Choice

The magnitude of the acceleration of an object moving in a circle at constant speed is

• A) variable.
• B) directly proportional to the speed squared.
• C) directly proportional to the speed.
• D) directly proportional to the radius of the circle squared.

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Definitions:

Spinal Cord

The cylindrical bundle of nerve fibers and associated tissue that is enclosed in the spine and connects nearly all parts of the body to the brain.

Parietal Lobe

A region of the brain located behind the frontal lobe, responsible for processing sensory information related to touch, pressure, and spatial orientation.

Sympathetic Nervous System

is a part of the autonomic nervous system that orchestrates the body's rapid involuntary response to dangerous or stressful situations, often referred to as the 'fight or flight' response.

Heart Rate

The number of heartbeats per unit of time, usually measured in beats per minute (bpm), indicating cardiovascular activity and health.