If it goes into foul territory before it passes 1st or 3rd base, it's a foul ball. Just like a grounder or bunt that starts fair and rolls foul.
If it goes into foul territory past the base it is a fair, live ball.
It is a ground ball.
In MLB, the pitching rubber is 24 inches long and 6 inches wide.
pitching rubber
The distance from second base to the pitching rubber is the same as the distance from the plate to the rubber. It is 60 feet 6 inches.
18" & 24" Pitching Rubbers & Sets.
the place where the pitcher stands.
The potential energy of the rubber ball is converted into kinetic energy as it falls. When the ball hits the ground, some of the energy is absorbed by the ball and the ground, while the rest is converted to other forms such as sound and heat.
from the front of the pitching rubber to the back of home plate is 60'6"
43 feet
In the center of the mound at the highest point
24 inches by 6 inches
60 ft