Neptune Has a Radius of 2

question 21

Multiple Choice

Neptune has a radius of 2.48 × 10⁷ m and an escape velocity of 23,300 m/s. What is the mass of Neptune? G = 6.67 x 10^-11 N·m²/kg².

• A) 1.01 × 10²⁶ kg
• B) 2.02 × 10²⁶ kg
• C) 3.03 × 10²⁶ kg
• D) 4.04 × 10²⁶ kg
• E) 5.05 × 10²⁶ kg

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