A boat traveling at 4 m/s runs out of fuel, causing the engine to turn off. Because of the drag force Fd= bv with the water, the boat immediately starts to slow down. The value of b is unknown but we do know that the speed of the boat has been reduced to 2 m/s exactly 5 seconds after the engine stopped. How far does the boat travel before it comes to a complete stop?

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