If the Earth's Orbit Around the Sun Were Increased to a Radius

question 40

Multiple Choice

If the Earth's orbit around the Sun were increased to a radius twice what it is now.Which of the following is true?

• A)The force of gravity on the Earth due to the Sun would decrease by a factor of four.
• B)The force of gravity on the Earth due to the Sun would decrease by a factor of two.
• C)The force of gravity on the Sun due to the Earth would decrease by a factor of four.
• D)The force of gravity on the Sun due to the Earth would decrease by a factor of two.
• E)Both A and C are true.

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Definitions:

Acoustic

Pertaining to sound or the science of sound, especially its production, transmission, and effects.

Myringectomy

A surgical procedure involving the removal of part of the eardrum to treat conditions such as chronic infections or to insert tympanic tubes.

Myringotomy

A surgical procedure to make a tiny cut in the eardrum to relieve pressure caused by excessive fluid accumulation or to insert a tympanostomy tube.

Myringoplasty

A surgical procedure to repair a perforation of the tympanic membrane in the ear to restore hearing and prevent infections.