" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
r=140:2=70cm
v = .r².t
7.700.000 = 22/7.70.70.t
7.700.000 = 22.700.t
7.700.000 : 22.700 = t
11000 : 22 = t
500cm = t