Dust Particles Are Pulverized Rock,which Has Density 2500kg/m3

question 63

Multiple Choice

Dust particles are pulverized rock,which has density 2500kg/m3.They are approximately spheres with 10μm in diameter.Treating dust as an ideal gas,what is the rms speed of a dust particle at 400°C?

• A)5.2 × 10^-5 m/s
• B)1.7 × 10^-5 m/s
• C)3.0 × 10^-5 m/s
• D)7.3 × 10^-5 m/s

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Definitions:

Interval Length

Interval length refers to the distance or difference between the lower and upper boundaries of an interval in mathematics or statistics.

Bootstrap Interval

A type of statistical interval estimate used to estimate the distribution of a statistic by resampling with replacement from the data.

BCa Interval

Bias-Corrected and accelerated interval, a type of confidence interval used in statistics to provide a range that is likely to contain the true population parameter, accounting for bias and skewness in the bootstrap distribution.

Bootstrap Distribution

A method in statistics for estimating the sampling distribution of an estimator by resampling with replacement from the original sample.