Universal Law of Gravitation Video Lessons

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Problem: What is free-fall acceleration toward the sun at the distance of the earth's orbit? Express your answer to two significant figures and include the appropriate units.

FREE Expert Solution

Gravitational force:

F=GM1M2R2

Newton's second law:

F=ma

Solving for a:

Mea=GMsMeR2

G = 6.67 × 10-11 N•m2/kg2

Mass of the sun, Ms = 1.99 × 1031 Kg

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Problem Details

What is free-fall acceleration toward the sun at the distance of the earth's orbit? Express your answer to two significant figures and include the appropriate units.

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