The 2009 world record for the men's 100-m dash was 9.58 s. The thirdplace runner crossed the finish line in 9.84 5. When the winner crossed the finish line, how far was the third-place runner behind him? a) Compute an answer that assumes that each runner ran at his average speed for the entire race. 2.7m Submit Answer You have entered that answer before Incorrect. Tries 11/99 Previous Tries b) Compute another answer that assumes, that after an initial acceleration phase, world-class sprinters run at a speed of 12.0 m/s. If both runners in this race reach this speed, how far behind is the third-place runner when the winner finishes? 3.6m Submit Answer You have entered that answer before Incorrect. Tries 2/99 Previous Tries