Rozwiążcie zadanie 10c i 11 Dzięki ;)

 zad.10 a) [latex]a = frac{Delta V }{t} [/latex] [latex]a = frac{6 frac{m}{s}- 0 frac{m}{s} }{3 s} = 2 frac{m}{s^2} [/latex] b) droga = pole figury pod wykresem : trapez [latex]s = frac{(a + b )h}{2} [/latex] [latex]s = frac{( 10 s + 7 s ) 6 frac{m}{s} }{2} = 51 m [/latex] c) [latex]V_s_r = frac{s}{t} [/latex] [latex]V_s_r = frac{51 m }{10 s } = 5,1 frac{m}{s} [/latex] zad.11. s = 3 m t = 1 s Vo= 0 [latex]s = frac{at^2}{2} /* 2 2s = at^2 /: t^2[/latex] [latex]a = frac{2s}{t^2} [/latex] [latex]a = frac{2 *3 m }{(1 s )^2} = 6 frac{m}{s^2} [/latex] s = s₃ - s₂ [latex]s = frac{at_3^2}{2 } - frac{at_2^2}{2 } = frac{a}{2} ( t_3^2 - t_2^2) [/latex] [latex]s = frac{6 frac{m}{s^2} }{2} * [ (3s )^2 - (2s )^2] = 3 frac{m}{s^2} * ( 9 s^2 - 4 s^2) = 15 m [/latex]