If the Radius of Sphere B Is 5 Times the Radius

question 30

Multiple Choice

If the radius of sphere B is 5 times the radius of sphere A, then the ratio of the volume of sphere B to the volume of sphere A is:

• A) 0.008
• B) 0.2
• C) 5
• D) 25
• E) 125

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Definitions:

Chemical Reactions

Processes in which substances interact to form new products, involving the rearrangement of atoms or the transfer of electrons.

Energy Release

The process of making energy available for use by the body, typically through the breakdown of nutrients in cells to produce ATP, the energy currency of the cell.

Direct Calorimeter

A device that measures the amount of heat produced by an organism, generally used for determining metabolic rate.

Kcal/min

A unit of measurement for the rate of energy expenditure, indicating kilocalories expended per minute.