An Object Drops a Distance H in a Time of 6.3

question 46

Multiple Choice

An object drops a distance h in a time of 6.3 s on the surface of the earth (neglecting air effects) .How long would it take the same object to drop the same distance on the surface of spherical asteroid X having a mass of 1.1 × 10²² kg and a radius of 4.0 × 10⁵ m? (G = 6.67 × 10^-11 N ∙ m²/kg²,M_earth = 5.97 × 10²⁴ kg,R_earth = 6.38 × 10⁶ m)

• A)9.2 s
• B)6.3 s
• C)5.2 s
• D)12 s
• E)3.3 s

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