[ Ссылка ]
Now that we know the initial velocity that a projectile must have to overcome Earth's gravity we'll calculate how much energy is associated with this velocity.
![](https://i.ytimg.com/vi/rC7XmOZOJ5A/maxresdefault.jpg)
[ Ссылка ]
Now that we know the initial velocity that a projectile must have to overcome Earth's gravity we'll calculate how much energy is associated with this velocity.