Odpowiedź:
ruch opóźniony:
zad 11
v=7,5m/s
s=0,35m
s=v*t-at²/2
a=v/t
s=v*t-v*t²/2t
s=v*t-vt/2
s=t(v-v/2)
s=v*t/2
2s=v*t
t=2s/v
t=2*0,35m/7,5m/s
t=0,093s=93ms
a=7,5m/s /0,093s
a=80,35m/s²
zad 12
v=54m/s
s=3m
t=2*3m/54m/s
t=0,11s
a=54m/s /0,11s
a=486m/s²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Odpowiedź:
ruch opóźniony:
zad 11
v=7,5m/s
s=0,35m
s=v*t-at²/2
a=v/t
s=v*t-v*t²/2t
s=v*t-vt/2
s=t(v-v/2)
s=v*t/2
2s=v*t
t=2s/v
t=2*0,35m/7,5m/s
t=0,093s=93ms
a=7,5m/s /0,093s
a=80,35m/s²
zad 12
v=54m/s
s=3m
s=v*t-at²/2
a=v/t
s=v*t-v*t²/2t
s=v*t-vt/2
s=t(v-v/2)
s=v*t/2
2s=v*t
t=2s/v
t=2*3m/54m/s
t=0,11s
a=v/t
a=54m/s /0,11s
a=486m/s²