Question

discuss about gravitational escape velocity.....

Answer 1

In physics (specifically, celestial mechanics), escape velocity is the minimum speed needed for a free object to escape from the gravitationalinfluence of a massive body. ... Theescape velocity from Earth is about 11.186 km/s (6.951 mi/s; 40,270 km/h; 36,700 ft/s; 25,020 mph; 21,744 kn) at the surface.

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