Which of the Curves on the Graph Below Best Represents

question 21

Multiple Choice

Which of the curves on the graph below best represents the verticle component v_y versus t for a projectile fired at an angle of 45 above the horizontal?

• A) OC
• B) DE
• C) AB
• D) AE
• E) AF

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Definitions:

Insulate

To coat or surround with material in order to prevent the passage or leakage of heat, electricity, or sound.

Lipids

A broad class of naturally occurring molecules that include fats, oils, waxes, and certain vitamins, characterized by their insolubility in water.

Peptide

A short chain of amino acids linked by peptide bonds, which can function as signaling molecules or as components of proteins.

Polypeptide Chain

A long, continuous sequence of amino acids linked by peptide bonds, which folds into a functional protein or acts as part of a protein.