the free fall equation is
... h = -4.9 t^2 + 50
set h = 0 and solve for the flight time
multiply the flight time by 20 m/s to find the impact spot
A boy stands on the roof of a 50m tall building and thrown a ball horizontslly at 20m/s away from the building.
How far away from the foot of the building will the ball land?
3 answers
I got an answer of 63.8m is it correct
to three figures ... 63.9
do you use significant figure rules?
do you use significant figure rules?