(Solved): A runner completes the 200-meter dash with a time of \( 19.62 \) seconds. Part A What was the runne ...

A runner completes the 200-meter dash with a time of \( 19.62 \) seconds. Part A What was the runner's average speed in meters per second? Express your answer to four significant figures. Part B What was the runner's average speed in miles per hour? Express your answer to four significant figures.