A football is kicked straight up into the air, it hits the ground 5.2 s later. What was the greatest height reached by the ball? With what speed did it leave the kicker’s foot?

Answer:

The distance can be found using. Remember we only need to account for half the time of flight which is why the total time is divided by two below

The velocity can be found using:

This is the best answer for what was the greatest height reached by the ball? assume it is kicked from ground level?

Time to reach maximum height = T/2 = 5.4/2 = 2.7 s