Jesse Owens
Any time under 4 seconds is good, if youre a right-handed hitter it's amazing.
the conductors are unknown but the first person to TRAVEL the underground railroad was Harriet Tubman
John Hanson was was the first person to serve a full term as President of the COntinental Congress under the Articles of Confederation.
The freedom to practice religion would fall under the first amendment.
W. Van Nielsen from south
2.69 seconds
11.8 - 12.4 seconds
probably not because the average person runs 100 meters in 20-25 seconds, a person will be lucky to sprint it in under 20 seconds
7.2 seconds in the 55 meters converts to 4.788 seconds in the 40-yard dash.
23-26 seconds Young elites
John Walker was the first man to run one mile under four minutes. He ran one mile in 3:50 (3 minutes, 50 seconds).
Run 90 seconds per lap. More realistically, your first lap should probably be under 85 seconds, try to keep your first two laps under 3 minutes, don't slow down or get discouraged in your third lap, and give it all you've got in the last lap, especially the last 100 meters.
Assuming sound travels at approximately 343 meters per second in air, it would travel about 137.2 meters in 0.4 seconds (343 m/s * 0.4 s =137.2 m).
Not particularly, you'd need to be under 25 to even represent Sao Tome internationally.
Jesse Owens
1968 Summer Olympics in Mexico City. Jim Hines of the United States was the first athlete to run an electronically timed 100 meter dash in under 10 seconds when he ran a 9.95 in the finals at the 1968 Summer Olympics in Mexico City.