Calculate the Angular Diameter of the Moon with These Known

question 3

Multiple Choice

Calculate the angular diameter of the Moon with these known facts: Moon's linear diameter = 3480 km
Moon's average distance from Earth = 384,000 km
Number of arc seconds in 1 radian = 2.06 x 10⁵

• A) 31 arc seconds
• B) 187 arc seconds
• C) 1750 arc seconds
• D) 1870 arc seconds
• E) 1910 arc seconds

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Definitions:

Total Entropy

A measure of the disorder or randomness in a system, with systems tending towards higher entropy state over time according to the second law of thermodynamics.

Thermodynamics

The branch of physics that deals with heat, work, and the forms of energy transfer and transformation.

Decreasing

A process or trend involving reduction in size, number, value, or intensity over time.

Total Bond Energy

The sum of all bond energies in a molecule, representing the energy needed to break all bonds in a molecule into separate atoms.