Which Statement About Black Holes Is True

question 89

Multiple Choice

Which statement about black holes is true?

• A) They form from 1.4 solar mass stars.
• B) They form an event horizon at twice the Schwartzschild radius.
• C) Their escape velocity is greater than the speed of light.
• D) Their event horizon is a physical surface boundary.
• E) Their main- sequence mass was 5- 10 solar masses.

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Definitions:

Technology

Utilizing scientific understanding for real-world applications, primarily in the industrial sector.

Industry Wide Markets

Pertains to markets that encompass products, services, and consumers across an entire industry, rather than being limited to specific segments.

Focused

Having clear concentration and attention on a specific task, goal, or activity, leading to increased efficiency and productivity.

Division Of Labor

The breaking down of work into a number of separate tasks to be performed by different workers, increasing efficiency and productivity.