A pro golfer has just hit a hole-in-one. If the distance from the tee to the hole is 350. m and the ball was in the air for 5.40 s, with what speed must the golfer have hit the ball? Assume the tee and hole are at the same height.

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