If You Measured the Orbital Period of the Moon and the Distance

question 37

Multiple Choice

If you measured the orbital period of the Moon and the distance between the Earth and the Moon then you could calculate:

• A) the mass of the Moon
• B) the sum of the masses of the Earth and the Moon
• C) the average distance between the Earth and Sun
• D) the radius of the Earth
• E) the radius of the Moon

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Definitions:

Polycarbonates

A group of thermoplastic polymers containing carbonate groups in their chemical structures, known for their durability and used in the manufacture of eyewear, DVDs, and bulletproof glass.

Diisocyanate

A chemical compound with two isocyanate groups (-NCO), used primarily in the production of polyurethane foams, elastomers, and coatings.

Polyurethanes

Versatile polymers used in a wide range of applications, formed by reacting a di- or polyisocyanate with a polyol.

Registered Voters

Individuals who are officially recorded on an electoral roll, making them eligible to vote in an election.