Posted by Dwayne on Sunday, May 1, 2011 at 12:18pm.
Law of Gravitation Find an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is neglected.
The gravitational constant for g is, G = 6.67428*10^11 m^3 Kg^1 s^2
Please answer the question fully and please give any helpful websites, thankyou.

Math And Physics  bobpursley, Sunday, May 1, 2011 at 1:20pm
Do you know calculus?

Math And Physics  Dwayne, Sunday, May 1, 2011 at 2:12pm
Yes
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