There is a bell at the top of a tower that is 45m high. The bell weighs 190N. The bell has Potential. PE=mgh.190N=m(9.8m/sec ^ 2)m=190N/9.8m/sec ^ energy. Calculate it showing your work.

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels. the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause, directly and indirectly, for such a rise in sea level is