Earth has mass 8 times and radius 2 times that of a planet. If the escape velocity from the earth is 11.2 km/s, the escape velocity in

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

Earth has mass 8 times and radius 2 times that of a planet. If the escape velocity from the earth is 11.2 km/s, the escape velocity in km/s from the planet will be : 

(1) 11.2 

(2) 5.6 

(3) 2.8

 (4) 8.4

                                                          (JEE-2025)

✅ Answer

Earth has mass 8 times and radius 2 times that of a planet. If the escape velocity from the earth is 11.2 km/s, the escape velocity in km/s from the planet will be :  (1) 11.2  (2) 5.6  (3) 2.8  (4) 8.4

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