A person standing on a bridge 120m above a river drops a
A person standing on a bridge 120m above a river drops a 250g rock.
a. what is the rocks potential energy before it isdropped?
b. What is the rock's kinetic energy as it reaches thewater?
c. At what speed does the rock hit the water?
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your response should be at least 350 words in lengthcourse textbookspiro r l rich ga amp stanton w j 2008 management of
a person standing on a bridge 120m above a river drops a 250g rocka what is the rocks potential energy before it
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your response should be at least 350 words in length please use my course book only all sources used including the
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