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What is the least velocity to escape from the earth ?
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What is the least velocity to escape from the earth ?
It is called escape velocity, which is equal to square root of (2GM /R) where M= mass of earth,R=radius of earth, which is numerically 11.186km/second
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What is the least velocity to escape from the earth ?
11.2
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Projectile motion to orbital motion:If we throw a ball horizontally with a speed 8000 m/s off the surface of the Earth (and there are no obstructions in the way) how far will it travel in the vertical and horizontal directions in 1 second? (Ignore the air resistanc e)vx = 8000 m/st = 1sSo, horizontally it will movevyt = 8000 mVy = 0t = 1sg = 10 m/s2So, vertically it will move down1/2 gt2 = 5 mBut the curvature of the Earth changes by 5m in every 8000 m. So, will the ball ever touch the earth? The answer is NO! The ball will continually falls in free fall around the Earth and ultimately it will be orbiting around the Earth!If v = 8000 m/s the orbit will be circular.If v is within the range 8000 m/s to 11200 m/s, then the orbit will be elliptical. 11200 m/s is the velocity required to escape the earth. Escape velocity is the velocity of the projectile body that is sufficient for it to escape the gravitational attraction of earth. 42500 m/s is the velocity required to escape the Solar System!Escape velocity from earth is ............... escape velocity from solar system

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What is the least velocity to escape from the earth ?
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