Răspuns :
Răspuns:
d=v*t
10min=600sec
d=2*600= 1800m=1,8km
Lm=F*d
Lm=40*1800
faci tu ultimul calcul
F=40N
v=2m/s
t=10min——>600s
a)d=?
d=vt=2m/s*600s
=2m*600=1200m
b)L=?
L=F*d
L=40N*1200m=
L=48000J
v=2m/s
t=10min——>600s
a)d=?
d=vt=2m/s*600s
=2m*600=1200m
b)L=?
L=F*d
L=40N*1200m=
L=48000J