Two Small Spheres, Each with Mass M = 3

question 104

Multiple Choice

Two small spheres, each with mass m = 3.0 g and charge q, are suspended from a point by threads of length L = 0.22 m. What is the charge on each sphere if the threads make an angle = 15º with the vertical?

• A) 0.79 μC
• B) 2.9 μC
• C) 75 μC
• D) 6.3 μC
• E) 0.11 μC

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Definitions:

Parameters

Statistical or mathematical conditions and variables that define the scope and functioning of a model, equation, or procedure.

Level of Significance

A threshold in hypothesis testing that determines the probability at which the null hypothesis is rejected.

Type I Error

The incorrect rejection of a true null hypothesis, also known as a "false positive," indicating a test's incorrect indication of a significant effect.

Available-For-Sale Securities

Financial assets that are neither classified as held for trading nor held to maturity, and are recorded at fair value with unrealized gains or losses reported in other comprehensive income.