An Avalanche of Ice and Snow of Mass 2500 Kg $\degree$

question 57

Multiple Choice

An avalanche of ice and snow of mass 2500 kg slides a vertical distance of 160 m down a mountainside. If the temperature of the ice, snow, mountain, and surrounding air are all at 0 $\degree$ C, what is the change in entropy of the universe?

• A) 14,000 J/K
• B) 10,000 J/K
• C) 1400 J/K
• D) 1100 J/K

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Definitions:

Significance Tests

Statistical tests used to determine if the results of a study are likely to be due to chance or if they are significant.

Significance Level

The probability of rejecting the null hypothesis when it is actually true, often denoted as alpha (α) and typically set at 0.05 or 5%.

Null Hypotheses

A statement in statistical inference that proposes no significant difference or no effect, serving as the default assumption to be tested.

Alternative Hypothesis

A statement in hypothesis testing that proposes a significant difference or effect, contrasting the null hypothesis.