A Bead Is Moving with a Speed of 20 M/s

question 142

Multiple Choice

A bead is moving with a speed of 20 m/s at position A on the track shown in the figure.This track is friction-free,and there is no appreciable air resistance.What is the speed of the bead at point C?

• A)0 m/s
• B)34 m/s
• C)69 m/s
• D)20 m/s
• E)We cannot solve this problem without knowing the mass of the bead.

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Definitions:

Moderate Length

Refers to something not too long nor too short, typically considered to be of a reasonable or acceptable size or duration.

Complete Answers

Responses or solutions that comprehensively address questions or problems, leaving no aspect unexplored.

Random Assignment

In an experiment, the assignment of participants to experimental conditions on the basis of chance.

Extraneous Variables

Variables that are not the focus of a study but can influence its outcome, potentially confounding the results if not controlled.