When is two waves are told in phase 2) phase difference 3) phase difference = pi/2,pi/4 4) formula to calculate phase difference 6) how phase difference occurs in ray optics also formula pls urgent

! 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 : ))

i think the answer would be b