SOLUTION: The height h, in feet, of a baseball above the ground t seconds after it is hit is given by h = -16^2 + 52t + 4.5. Use this equation to determine the number of seconds, to the nea
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Question 51072This question is from textbook Applied College Algebra
: The height h, in feet, of a baseball above the ground t seconds after it is hit is given by h = -16^2 + 52t + 4.5. Use this equation to determine the number of seconds, to the nearest 0.1 second, from the time the ball is hit until the ball hits the ground.
This question is from textbook Applied College Algebra
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
The height h, in feet, of a baseball above the ground t seconds after it is hit is given by h = -16^2 + 52t + 4.5. Use this equation to determine the number of seconds, to the nearest 0.1 second, from the time the ball is hit until the ball hits the ground.
APART FROM START WHEN H=0 AT T=0.
WHEN IT HITS THE GROUND AGAIN H=0
SO WE HAVE TO FIND T FOR THIS CASE
16T^2-52T-4.5=0
T=[52+SQRT{52^2-4(16)(-4.5)]/(2*16)=3.33 SEC=3.3 SEC
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