" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a)
mV²/2=mgh / : mg
h=V²/2g
h=144/20=7,2m
b)Ek-0,05Ek=mgh
0,95mV²/2=mgh / : mg
h=0,95V²/2g
h=0,95*144/20=6,84m