What Is the Escape Speed from the Sun, Beginning from Rest

question 18

Multiple Choice

What is the escape speed from the Sun, beginning from rest relative to the Sun) at the orbit of Earth, R = 1.50 * 10⁸ km? Given: G = 6.67 * 10^-11 N · m²/kg²; mass of the Sun = 2.0 * 10³⁰ kg.)

• A) 3.0 *10⁴ m/s
• B) 2.1 * 10⁴ m/s
• C) 1.3 *10⁶ m/s
• D) 9.4 * 10⁵ m/s
• E) 4.2 *10⁴ m/s

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