Give the car a gently push up the ramp from the bottom. The car will go up, slow down, and come down again. Is there a place in the motion where the speed of the car is zero? is there a place where the acceleration is zero?

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