SOLUTION: If we stand on top of a 150- foot building and throw a ball up into the air with an initial velocity of 22 feet per second, then the height of the ball above the ground is given by

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Question 711278: If we stand on top of a 150- foot building and throw a ball up into the air with an initial velocity of 22 feet per second, then the height of the ball above the ground is given by.
Please help me solve this velocity problem H=-16t%5E2%2B150
Determine when the ball hits the ground. Include the correct unit of measure in your answer and round to two decimal places.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
H=-16t%5E2%2B150
Determine when the ball hits the ground.
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It impacts when h = 0
-16t%5E2+%2B+150+=+0
Solve for t, ignore the negative number.