An inclined plane is used to move a heavy box from the ground into the bed of a truck. The ramp is 4m long and 1m from the ground. If 100 N of force is required to move the load up the ramp how much work is done?

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