A car of 1200 kg mass collides with a truck of 3600 kg in a perfectly inelastic collision at an intersection. The car is heading North at 30 m/s and the truck is heading East at 15 m/s. Determine the velocity of the two cars after the collision. Don't forget to find direction (angle) as well

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