SOLUTION: Please show a completed solution for this problem. A bird sitting 16 feet above the ground in an apple tree dislodges an apple. After how many seconds does the apple land on t

Question 1063311: Please show a completed solution for this problem.
A bird sitting 16 feet above the ground in an apple tree dislodges an apple. After how many seconds does the apple land on the ground.( Assume no branches slow the apple's fall.)
Thank you so much for taking time to show me the solution.
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
f(t)=-16t^2+16, the -16t^2 being the distance fallen in time t, the 16 being the feet above ground.
Set this equal to 0
-16t^2+16=0
-16t^2=-16
t^2=1
t=1 (only positive root)
It will land on the ground in 1 second.

Answer by ikleyn(52794)   (Show Source): You can put this solution on YOUR website!
.
In this site, there is a bunch of lessons on a projectile thrown/shot/launched vertically up
    - 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

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".

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