15 5-A child releases a balloon at a park. The balloon travels up into the air 9 m, and east across the park a distance
of 20 m, before getting stuck in a tree. What is the resultant displacement of the balloon? Express your answer in
components, and then determine the magnitude.
ANSWER
Q X, X
В І
U
를 들를 들
>
.
5 met
9
IN
D

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