Which vector correctly indicates the direction of centripetal acceleration experienced by the car?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

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

I’ve been stuck on this for a while