Answer to Question #280908 in Molecular Physics | Thermodynamics for dandan

Question

If Michael Jordan has a vertical leap of 1.89 m, then what is his takeoff speed and his hang time (total time to move upwards to the peak and then return to the ground)? 

Answer 1

$v=\sqrt{2gh}=6.1~\frac ms,$

$t=2\cdot \sqrt{\frac{2h}g}=1.24~s.$