Three Particles Are Placed in the Xy Plane

question 57

Multiple Choice

Three particles are placed in the xy plane. A 30-g particle is located at (3, 4) m, and a 40-g particle is located at (−2, −2) m. Where must a 20-g particle be placed so that the center of mass of the three-particle system is at the origin?

• A) (−3, −1) m
• B) (+1, +3) m
• C) (+3, −1) m
• D) (−1, −3) m
• E) (−0.5, −2) m

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Definitions:

Groups

In statistics, groups refer to sets of subjects or data points that are classified together based on certain characteristics.

Null Hypothesis

A proposal in statistics that suggests no observable effect or no association between variables, serving as a premise to be tested against experimental evidence.

Groups

Collections of individuals or items that are studied in research to observe, measure, and analyze certain behaviors or outcomes.

Critical Value

The threshold value that the test statistic must exceed in order to reject the null hypothesis in a statistical test.