about 8000 m/s
It so happens that the vertical distance that a horizontally launched projectile would fall in its first second is approximately 5 meters (0.5*g*t2). For this reason, a projectile launched horizontally with a speed of about 8000 m/s will be capable of orbiting the earth in a circular path.
If smiley ways more than Jill's car then smiley is to heavy for the bridge
A. lumber because it makes the most sense compared to the other options. You can't necessarily transport wind.
