An Olympic runner completes the 200-meter sprint in 23 seconds. What is the runner’s average speed? (Round your answer to the nearest tenth of a meter per second.) A. 0.9 m/s
B. 1.2 m/s
C. 8.7 m/s
D. 10.1 m/s

C.) 8.7 meters per sec*

Explanation:

Hope this helps!! ( Sorry if my handwriting is sloppy, I´m working on making it neater at the moment. )

! 55 !  

write a paragraph or story to explain the transformation between potential and kinetic energy as shown in your picture or model.  

you should have at least 5 complete sentences with a main idea and supporting details.  

you must include the following words:  

potential energy

kinetic energy

mechanical energy

conservation of energy

dude, this is hard lol : ))

trig 15.3 cos