Newton's second law:
Solving for a:
G = 6.67 × 10-11 N•m2/kg2
Mass of the sun, Ms = 1.99 × 1031 Kg
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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What scientific concept do you need to know in order to solve this problem?
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