An object is allowed to fall freely near the surface of a planet. The object falls 45 m in the first 3.0 sec. The acceleration due to gravity o this planet is...?
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Expert's answer
2010-10-22T02:47:36-0400
From the equation of the motion h = gt2/2; g = 2h / t2; g = 2*45 / 9 = 10 m/sec2
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