In order to escape planet 1, you need an escape speed of 4.71×104 m/s. Planet 2 has the same radius as planet 1 but is twice as dense as planet 1. What is the escape speed to leave planet 2? 434 m/s 9.42×104 m/s 307 m/s 6.66×104 m/s

In order to escape planet 1, you need an escape speed of 4.71×104 m/s. Planet 2 has the same radius as planet 1 but is twice as dense as planet 1. What is the escape speed to leave planet 2? 434 m/s 9.42×104 m/s 307 m/s 6.66×104 m/s

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 50P

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Question

In order to escape planet 1, you need an escape speed of 4.71×10⁴ m/s. Planet 2 has the same radius as planet 1 but is twice as dense as planet 1. What is the escape speed to leave planet 2?

434 m/s
9.42×10⁴ m/s
307 m/s
6.66×10⁴ m/s

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