SOLUTION: A ball is thrown directly upward from ground level with an initial speed of 80ft/s. How high will it go? When will it return to the ground?

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Question 528734: A ball is thrown directly upward from ground level with an initial speed of 80ft/s. How high will it go? When will it return to the ground?
Answer by mathstutor494(120) About Me  (Show Source):
You can put this solution on YOUR website!
How high will it go : 100ft
When will it return to the ground : After 5 Sec