1.
[tex]v_{o} = 0\\a) \ t = 0,5 \ min = 60 \ s\\b) \ t = 5 \ s\\g = 10\frac{m}{s^{2}}\\\\Rozwiazanie\\\\v = g\cdot t\\\\a) \ v = 10\frac{m}{s^{2}}\cdot30 \ s = 300\frac{m}{s}\\\\b) \ v = 10\frac{m}{s^{2}}\cdot5 \ s = 50\frac{m}{s}[/tex]
2.
[tex]a) \ t = 1 \ min = 60 \ s\\b) \ t = 10 \ s\\g = 10\frac{m}{s^{2}}\\\\Rozwiazanie\\\\h = \frac{1}{2}gt^{2}\\\\a) \ h = \frac{1}{2}\cdot10\frac{m}{s^{2}}\cdot(60 \ s)^{2} = 18 \ 000 \ m = 18 \ km\\\\b) \ h = \frac{1}{2}\cdot10\frac{m}{s^{2}}\cdot(10 s)^{2} = 500 \ m[/tex]
