I. Mercury forms an upward meniscus in a tube because: A. it has high relative density

B. it has high cohesive force

C. it has low surface tension

D. it is subjected to high atmospheric pressure

E. it wets the walls of the tube.
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! 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 : ))

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