h = 0.5g*t^2 = 6.14 m.
4.9t^2 = 6.14
t^2 = 1.253
Tf = 1.12 s. = Fall time.
On June 9, 1988, Sergei Bubka broke the world pole-vaulting record for the 8th time in four years by attaining a height of 6.14 m. How long did it take Bubka to return to the ground from the highest part of his vault?
1 answer