Question 1127487
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            Such problem may come from Physics or from Calculus.


            But I do not think that it came from Algebra.


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notice to the person who posted it: &nbsp;it would be good &nbsp;(benefited) &nbsp;<U>for you</U> 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to point where this problem came from and what kind of the solution do you expect &nbsp;(do you want) &nbsp;to get


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- if you do understand the meaning of my words.



<U>Physics solution</U>


<pre>
If it is a free fall, then  the speed as the function of time is


    V(t) = g*t,


where "g" is the free fall acceleration, g = 9.81 m/s^2 = 32 ft/s^2.


Therefore,  after 2 seconds of the free fall the speed of a falling object is


    V = 9.81*2 = 19.62 m/s.
</pre>

You can calculate it in ft/s on your own, if you want / (if you need).



=============


<pre>
By the way, assuming free fall, the height of the fall is 


    H = {{{(g*t^2)/2}}} = {{{(10*2^2)/2}}} = 20 meters,


which is not very realistic for an apple tree.


    20 meters is the height of an 5 - 7 floors living building.
</pre>