At the Same Instant That a 0

question 68

Multiple Choice

At the same instant that a 0.50-kg ball is dropped from 25 m above Earth, a second ball, with a mass of 0.25 kg, is thrown straight upward from Earth's surface with an initial speed of 15 m/s.They move along nearby lines and pass without colliding.At the end of 2.0 s the acceleration of the center of mass of the two-ball system is:

• A)0.25 g
• B)0.50 g
• C)0.67 g
• D)0.75 g
• E)1.0 g

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Definitions:

Biogeography

The study of the distribution of species and ecosystems in geographic space and through geological time, including the factors that influence these distributions.

Distributions of Organisms

The geographical and ecological patterns in which species and populations are spread across different habitats and regions.

Amino Acid Sequences

The order of amino acids in a polypeptide or protein, which determines the protein's structure and function.

Nucleotide Sequences

The precise order of nucleotides (adenine, thymine, cytosine, and guanine) within a DNA or RNA molecule, which encodes genetic information.