Certain Stars at the End of Their Lives Are Thought

question 20

Multiple Choice

Certain stars at the end of their lives are thought to collapse,combining their protons and electrons together to form a neutron star.Such a star could be thought of as a giant atomic nucleus.If a star of mass equal to M = 4.00 × 10³⁰ kg collapsed into neutrons (m_n = 1.67 × 10−²⁷ kg) ,what would be the radius of such a star? (Hint: r = r₀A^1/3,where r₀ = 1.20 × 10−¹⁵ m. )

• A) 12.7 km
• B) 25.4 km
• C) 16.1 km
• D) 18.5 km

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Definitions:

Factory Supervision Labor

The labor costs associated with supervising and managing workers in a manufacturing facility.

Equipment Rental

Equipment rental refers to the process of leasing machinery, tools, or other equipment from a third party for a specified period of time, often as an alternative to purchasing them outright.

Predetermined Overhead Rate

A rate estimated before the accounting period begins, used to allocate manufacturing overhead to products or job orders.

Factory Overhead

The indirect manufacturing costs not directly tied to the production of a specific product, such as electricity for the manufacturing plant.