SOLUTION: An object is dropped from the top of a tower.The formula s=4.9t∧2 gives the distance in meters(s) that the object falls in T seconds.How many seconds will it take the object

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: An object is dropped from the top of a tower.The formula s=4.9t∧2 gives the distance in meters(s) that the object falls in T seconds.How many seconds will it take the object       Log On


   



Question 383279: An object is dropped from the top of a tower.The formula s=4.9t∧2 gives the distance in meters(s) that the object falls in T seconds.How many seconds will it take the object to fall 122.5 m?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
+s+=+4.9t%5E2
...
%28s%2F4.9%29=t%5E2
sqrt%28s%2F4.9%29=t
..
substitute the value os s =122.5
sqrt%28122.5%2F4.9%29=t
%28highlight%28t+=+5+seconds%29%29
...
m.ananth@hotmail.ca