Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second, Then v = square root of 19.6h .If an object is dropped from a height of 49.2 meters, with what velocity does it hit the ground? Round your answer to the nearest tenth.

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?