Question

$\huge\red{Question}$

What is the escape speed of a planet? Obtain expression for the escape speed of the Earth.

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Answer 1

Answer:

The escape velocity from Earth's surface is about 11,186 m/s (6.951 mi/s; 40,270 km/h; 36,700 ft/s; 25,020 mph; 21,744 kn).

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List of escape velocities.

Answer 2

Answer:

The escape velocity from Earth's surface is about 11,186 m/s (6.951 mi/s; 40,270 km/h; 36,700 ft/s; 25,020 mph; 21,744 kn).

...

List of escape velocities.

Location On Earth

Relative to Earth's gravity

Location At Earth/the Moon

Ve (km/s) 42.1

System escape, Vte (km/s) 16.6