For time t = d/v
140/20
t= 7
0 = 1/2(-10)(7^2)+(15)(7)+h
-h = -140
h = 140
We were asked to use 10m/s^2 for acceleration. That's what I got.
You got it!
Using 10m/(s^2) for gravity, 140m is correct.
140/20
t= 7
0 = 1/2(-10)(7^2)+(15)(7)+h
-h = -140
h = 140
We were asked to use 10m/s^2 for acceleration. That's what I got.
Using 10m/(s^2) for gravity, 140m is correct.