napiszcie jak to zrobić,wzory i wgl plis

zad.1. m = 12 kg ΔT = 40 K cw = 4200 J/kg * K Q = ? [latex]Q = m * c_w * Delta T [/latex] [latex]Q = 12 kg * 4200 frac{J}{kg * K } * 40 K = 2016000 J = 2016 kJ [/latex] zad.2. Dla  wody : 1 l = 1 kg m₁ = 100 kg t₁ = 20 C m₂ = 40 kg t₂ = 100 C t k ; m ? Q₁ = Q₂ [latex]m_1 * c_w * Delta T_1 = m_2 * c_w * Delta T_2 / : cw[/latex] [latex]m_1 * ( t_k - t_1 ) = m_2 * ( t_2 - t_k ) 100 kg * ( t_k - 20 C ) = 40 kg *( 100 C - t_k) 100 kg * t_k - 2000 kg * C = 4000 kg * C - 40 kg * t_k 100kg * t_k + 40 kg * t_k = 4000 kg * C + 2000 kg * C 140 kg * t_k = 6000 kg * C t_k = 42,86 C [/latex] m = 100 kg + 40 kg = 140 kg zad.3. m = 200 g = 0,2 kg h = 300 m g = 10 m/s² cw = 385 J/kg * K ΔT = ? Ep = Q [latex]mgh = m * c_2 * Delta T/:m gh = c_w * Delta T /:cw[/latex] [latex]Delta T = frac{gh}{c_w } [/latex] [latex]Delta T = frac{10 frac{m}{s^2} * 300 m }{385 frac{J}{kg * K } } = 7,79 K [/latex] zad.4.  V = 200 m/s Ek = Q [latex] frac{mV^2}{2} = m * c_w * Delta T / * frac{2}{m} [/latex] [latex]V^2 = c_w * Delta T / :c_w[/latex] [latex]Delta T = frac{V^2}{c_w} [/latex] [latex]Delta T = frac{(200 frac{m}{s} )^2}{385 frac{J}{kg * K } } = 103,9 K [/latex]