Posted by Hannah on Wednesday, June 20, 2012 at 6:13pm.
I am not a believer in "equations". Formulas are to be reserved for babies.
How far does it go?
distance=horizontalvelocity*timeinair
=25cos40*timinair.
So what is time in air?
hf=hi+Vv*time-1/2 g t^2
0=0+25sin40*t-4.9t^2
t= 25sin40/4.9
so,
distance= 625*sin40*cos40/4.9
check my solution.
So, you do not have the correct formula.
Where did you get 625 and 4.9?
Looking through my textbook I found what it was that my teacher said to use.
R= Vo^2 Sin 2Q / g
So I guess I just have to plug in the numbers; Vo is 25^2 and Q is 40. Correct?
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