" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Diameter = 4cm -> R = 2cm
v?
Q = πR².v
6280 = 3,14 x 2² x v
6280 = 12,56 x v
v = 6280/12,56
v = 500 cm/sekon -> v = 0,5 m/sekon