SOLUTION: Suppose the height h of an object thrown straight upward from the ground is given by h = 44.1t - 4.9t^2, where h is in meters and t is the elapsed time in seconds. After how many s

Question 1096358: Suppose the height h of an object thrown straight upward from the ground is given by h = 44.1t - 4.9t^2, where h is in meters and t is the elapsed time in seconds. After how many seconds does the object strike the ground?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
When the object hits the ground,

Note that gives you
at the instant object is released
Use the other solution:

In 9 sec the object hits the ground

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