" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
r/t = 3/ 5
5r = 3t
r = 3t / 5
L = 2πrt
480 = 2 (3, 14) (3t/5 ) t
480 = 6,28 (3t²/5)
480 = 18,84t²/5
2400 = 18,84t²
t²= 2400/18,84
t² = 127,39
t = 11,28
r = 3t/5
r = 3 (11,28)/5
= 6,768