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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