A builder will place floor in a house. The total area of the house is 245m^2 and the floor selected comes in pieces of 20m wide and 30cm long. A) How many pieces of floor are needed?
B) If the floor is packed in boxes of 1.2m^2, how many boxes should he buy?
C) The floor is sold at $ 199.00 m^2. How much will he pay for the entire floor?

! 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 : ))

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.