Uniform Circular Motion: If an Object Travels at a Constant

question 46

Multiple Choice

Uniform circular motion: If an object travels at a constant speed in a circular path, the acceleration of the object is

• A) larger in magnitude the smaller the radius of the circle.
• B) in the same direction as the velocity of the object.
• C) smaller in magnitude the smaller the radius of the circle.
• D) in the opposite direction of the velocity of the object.
• E) zero.

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Definitions:

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21. It is characterized by intellectual disability and physical features such as a distinct facial appearance.

Mosaicism

A cause of Down syndrome in which cell division occurs unevenly, so that some cells have 45 chromosomes and some have 47. People with mosaic Down syndrome may have fewer physical characteristics, better speech, and higher intellectual functioning, depending upon the numbers of cells affected.

Dual Diagnosis

The co-occurrence of serious behavioural or psychiatric disorders in people with developmental disabilities.

Behavioural Disorders

A range of disorders characterized by disruptive behaviors and emotional problems that last for at least six months.