An Object Moves in a Circle of Radius R at Constant

question 6

Multiple Choice

An object moves in a circle of radius R at constant speed with a period T.If you want to change only the period in order to cut the object's acceleration in half,the new period should be

• A) T/4.
• B) T/2.
• C) T/ .
• D) T .
• E) 4T.

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Definitions:

Heterotrophs

Organisms that obtain their energy (nutrition) from consuming other organisms, as they cannot produce it internally.

Organic Compounds

Molecules based on carbon and hydrogen, and often containing other elements, essential to life's processes and found in all living organisms.

First Cells

The earliest forms of life on Earth, thought to have appeared around 3.8 billion years ago, from which all living organisms have evolved.

Chemoautotroph Bacteria

Microorganisms that obtain energy through chemical reactions using inorganic molecules, supporting themselves without needing sunlight or organic nutrients.