Planet Zero Has a Mass of 4

question 4

Multiple Choice

Planet Zero has a mass of 4.0 × 10²³ kg and a radius of 2.0 × 10⁶ m. A 10-kg space probe is launched vertically from the surface of Zero with an initial kinetic energy of 8.0 × 10⁷ J. What maximum distance from the center of Zero is achieved by the probe?

• A) 3.2 × 10⁶ m
• B) 4.0 × 10⁶ m
• C) 6.0 × 10⁶ m
• D) 5.0 × 10⁶ m
• E) 2.5 × 10⁶ m

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An early form of long-distance communication technology that transmitted messages using electrical signals over wires, significantly influencing the 19th and early 20th centuries.

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