Why Did the Solar Nebula Heat Up as It Collapsed

question 26

Multiple Choice

Why did the solar nebula heat up as it collapsed?

• A)Nuclear fusion occurring in the core of the protosun produced energy that heated the nebula.
• B)As the cloud shrank,its gravitational potential energy was converted to kinetic energy and then into thermal energy.
• C)Radiation from other nearby stars that had formed earlier heated the nebula.
• D)The shock wave from a nearby supernova heated the gas.
• E)Collisions among planetesimals generated friction and heat.

Interpret the results of chi-square tests for independence and goodness-of-fit.

Apply chi-square tests to investigate uniformity in distributions.

Apply probability concepts to practical examples involving categorical data.

Understand the concept and application of Chi-Square tests for independence and goodness-of-fit.

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Definitions:

Constrained Resource

A critical resource within a process or system that has a capacity limit potentially affecting overall performance or output.

Profitable Product

A product that generates more revenue than the costs involved in its production, marketing, and distribution.

Variable Selling Expense

Costs that vary directly with the volume of sales, including commissions and shipping fees.

Specialized Machine

Equipment designed for a specific purpose or task in the production process, often custom-built or highly specialized.