SOLUTION: A ball is dropped from a height of 60 meters above the ground. How long does it take to hit the ground?

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: A ball is dropped from a height of 60 meters above the ground. How long does it take to hit the ground?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 938078: A ball is dropped from a height of 60 meters above the ground. How long does it take to hit the ground?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A ball is dropped from a height of 60 meters above the ground. How long does it take to hit the ground?
--------------------
s = at^2/2 = 60
---
Using 5 m/sec/sec for acceleration,
5t^2 = 60
t = sqrt(12) =~ 3.464 seconds
============
Some use 4.9 m/sec/sec for acceleration, some use other numbers.