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23 Nov 2019

What is the escape speed from the Earth? A gas moleculetravelling away from Earth near the outer boundary of the Earth’satmosphere would, at this speed, be able to escape from the Earth’sgravitational field. At what temperature is the rms speed of (i)oxygen molecules, and (ii) helium atoms equal to the escapespeed?

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Hubert Koch
Hubert KochLv2
16 Apr 2019
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

The escape velocity of any object from Earth is 11.2 km/s.
(a) Express this speed in m/s and km/h.
(b) At what temperature would oxygen molecules (molecular mass is equal to 
32.0 g/mol ) have an average velocity vrms equal to Earth's escape velocity of 11.1 km/s? 

A projectile is shot directly away from the Earth's surface. Neglect the rotation of Earth.what multiple of Earth's radius RE​ gives the radial distance a projectile reaches if (a) its initial speed is 0.500 of the escape speed from  Earth and (b) its initial kinetic energy required to escape Earth (c) what is the least initial mechanical energy required at launch if the projectile is to escape Earth

What initial speed would a particle need to be given at the surfaceof Earth if it is to have a final speed that is equal to its escapespeed when it is very far from Earth? Neglect any effects due toair resistance.

? km/s

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