An Olympic runner completes the 200-meter sprint in 23 seconds. What is the runnera''s average speed? (Round your answer to the nearest tenth of a meter per second. ) 0. 9 m/s 1. 2 m/s 8. 7 m/s 10. 1 m/s.

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

uranium fissions/breaks up giving out energy and neutrons

real, smaller and upside-down.   so the answer should be b.