- #1
pureouchies4717
- 99
- 0
vi= 20m/s
t=?
a=9.8m/s^2
vf=?
d=-10
here is the question:
i did the vf^2=vi^2+2ad equation
and got: 24.41, but its wrong
t=?
a=9.8m/s^2
vf=?
d=-10
here is the question:
question said:A rock is tossed straight up with a velocity of + 20m/s When it returns, it falls into a hole 10m deep.
What is the rock's velocity as it hits the bottom of the hole?
i did the vf^2=vi^2+2ad equation
and got: 24.41, but its wrong