Is the escape speed same for all objects?
Is the escape speed same for all objects?
Asked by Shiksha User
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1 Answer
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Yes. Escape speed from a planet or celestial body is the same for all objects. It is irrespective of their mass. This is because the gravitational force and potential energy depend on the mass of the celestial body and distance. The object's own mass cancels out when deriving escape speed.
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Syed Aquib Ur Rahman
The escape speed from the Earth's surface is approximately 11.2 km/s. This means that the object must travel at least at this speed in the upwards direction to entirely escape Earth's gravitational pull without falling back.
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