Odpowiedź :
Odpowiedź:
V0 = 0
m = 4 kg
t = 20 s
s = 200 m
a = ?
F = ?
[tex]s = \frac{at^{2} }{2}/*2 \\2s = at^{2}\\a = \frac{2s}{t^{2} }\\a = \frac{2*200}{20^{2} }\\a = 1 \frac{m}{s^{2} }\\ F = a*m\\F = 1*4\\F = 4 N[/tex]
Odpowiedź:
V0 = 0
m = 4 kg
t = 20 s
s = 200 m
a = ?
F = ?
[tex]s = \frac{at^{2} }{2}/*2 \\2s = at^{2}\\a = \frac{2s}{t^{2} }\\a = \frac{2*200}{20^{2} }\\a = 1 \frac{m}{s^{2} }\\ F = a*m\\F = 1*4\\F = 4 N[/tex]