Asked by Valor
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?
How far away from the foot of the building will the ball land?
Answers
Answered by
Scott
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
... 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
Answered by
Valor
I got an answer of 63.8m is it correct
Answered by
Scott
to three figures ... 63.9
do you use significant figure rules?
do you use significant figure rules?
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