SOLUTION: I'm not quite sure what kind of category this question would fall under, but here it goes. I really hope I can receive some help. "An object is launched at 20 m/s from a height

Question 1050903: I'm not quite sure what kind of category this question would fall under, but here it goes. I really hope I can receive some help.
"An object is launched at 20 m/s from a height of 65 m. The equation for the height 9H) in terms of time (t) is given by h(t)-4.9t^2+20t+65. What is the object's maximum height?
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
"An object is launched at 20 m/s from a height of 65 m. The equation for the height 9H) in terms of time (t) is given by h(t)-4.9t^2+20t+65. What is the object's maximum height?
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No function for h(t)

Answer by ikleyn(52794)   (Show Source): You can put this solution on YOUR website!
.
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
in this site.

Everything was explained there.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are part of this textbook under the topic "Projectiles launched/thrown and moving vertically up and dawn".

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