" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
h=3m m=?
Ep=6,9kJ=6900J
Ep=mgh /:gh
Ep/(gh)=m
m=6900J/(10m/s²*3m)
m=230kg