Star a Has an Apparent Visual Magnitude of 13

question 87

Multiple Choice

Star A has an apparent visual magnitude of 13.4 and star B has an apparent visual magnitude of 15.4. Star A is ____ than star B.

• A)2 times fainter
• B)2 times brighter
• C)6.3 times fainter
• D)6.3 times brighter
• E)29.8 times fainter

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Definitions:

Cardiac Output

The volume of blood the heart pumps through the circulatory system in one minute.

Stroke Volume

The amount of blood pumped by the left ventricle of the heart in one contraction.

Heart Rate

The number of heart beats per minute, a vital sign indicating the health and fitness level of an individual.

Stroke Volume

The amount of blood ejected by the left ventricle of the heart in one contraction.