18.
Dane
a = 6m/s²
F = 3N
Wzór
[tex]F = ma | \div a \\ m = \frac{F}{a} [/tex]
Obliczenia
[tex]m = \frac{3}{6} = 0.5kg[/tex]
19.
Dane
t = 3s
V = 0,6m/s
F = 6N
Wzory
[tex]a = \frac{v}{t} [/tex]
[tex]F = ma | \div a \\ m = \frac{F}{a} [/tex]
Obliczenia
[tex]a = \frac{0.6}{3} = 0.2 \frac{m}{ {s}^{2} } [/tex]
[tex]m = \frac{6}{0.2} = 30kg[/tex]
