The distances above are based on a reaction time of 0.67 seconds, which assumes the driver is alert, concentrating and not impaired. Driving when tired, distracted or impaired significantly increases reaction times, so the thinking distances above should be regarded as minimums.
Vice-President Aaron Burr killed his political rival Alexander Hamilton in a duel in Weehawken, NJ, resulting from a published letter that implied Hamilton had made derogatoryâ¦ comments about Burr's character.
Kennedy was pronounced dead 30 minutes later at Dallasâ Parkland Hospital. He was 46. Vice President Lyndon Johnson, who was three cars behind President Kennedy in the motorcade, was sworn in as the 36th president of the United States at 2:39 p.m. He took the presidential oath of office aboard Air Force One as it sat on the runway at Dallas Love Field airport.