SOLUTION: A ball is thrown from the top of a 144 foot building. The ball follows a trajectory. The height H reached by the ball after t seconds is given by H=64t-16t2. 1. Where was the ba

SOLUTION: A ball is thrown from the top of a 144 foot building. The ball follows a trajectory. The height H reached by the ball after t seconds is given by H=64t-16t2. 1. Where was the ba

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Question 1120986: A ball is thrown from the top of a 144 foot building. The ball follows a trajectory. The height H reached by the ball after t seconds is given by H=64t-16t2.
1. Where was the ball after 5 seconds?
2. How long did it take for the ball to hit the ground?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Is the height measured from the ground? or from the building?
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