SOLUTION: A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will
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Question 1162215: A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will the football first reach a height of 13 meters?
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will the football first reach a height of 13 meters?
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h(t)=5t^2+16t+1 = 13
Solve for t
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Notice that the football never comes back down.
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
.
A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1,
where h(t) is the height in meters and t is the time in seconds from its release.
When will the football first reach a height of 13 meters?
~~~~~~~~~~~~~~~~
To be accurate, your formula is INCORRECT.
Learn to write Math formulas correctly.
For these specific problem, learn how to write the relevant formulas correctly.
For similar problems, see the lessons
- Problem on a projectile moving vertically up and down
- Problem on an arrow shot vertically upward
- Problem on a ball thrown vertically up from the top of a tower
- Problem on a toy rocket launched vertically up from a tall platform
Consider these lessons as your textbook, handbook, tutorials and (free of charge) home teacher.
Read them attentively and learn how to solve this type of problems once and for all.
Also, you have this free of charge online textbook in ALGEBRA-I in this site
- ALGEBRA-I - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this textbook under the topic "Projectiles launched/thrown and moving vertically up and dawn".
Save the link to this online textbook together with its description
Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson
to your archive and use it when it is needed.
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