Witam zadania w zalaczniku. Prosze tylko o obliczenia

[latex]101. \ W = Ts = mgfs \ m = frac{W}{gfs} = 30 kg \ \ 102. \ W =Ts = mgfs \ s = frac{W}{mgf} = 600 m = 0,6 km \ \ 103. \ P = frac{W}{t} = 4000 W = 4 kW \ \ 104. \ P = frac{W}{t} \ W = Pt = 300000 J = 0,3 MJ \ \ 105. \ P = frac{W}{t} \ t = frac{W}{P} = 40 s \ \ 106. \ P= Fv = mgv = 180000 W = 180 kW \ \ 107. \ P= Fv = mgv \ m = frac{P}{gv} = 50 kg \ \ 108. \ P = Fv = mgv \ v = frac{P}{mg} = 20 m/s[/latex] [latex]109. \ Delta E_p = mgDelta h = 200000 J = 0,2 MJ \ \ 110. \ E_p = mgh \ m = frac{E_p}{gh} = 0,16 kg = 160 g \ \ 111. \ E_p = mgh \ h = frac{E_p}{mg} = 50 kg \ \ 112. \ W = Delta E_p = mgh = 6000 J = 0,6 kJ [/latex]