Fizika - 7 Razred Zadaci I Rješenja |verified|

[ a = \fracFm = \frac20 , \textN4 , \textkg = 5 , \textm/s^2 ] 3. Density (Gustoća) Key formula: ( \rho = \fracmV ) Unit: ( \textkg/m^3 ) or ( \textg/cm^3 ) Conversion: ( 1 , \textg/cm^3 = 1000 , \textkg/m^3 ) Problem 5 A wooden block has mass 240 g and volume 300 cm³. Calculate density in g/cm³ and kg/m³.

[ v = \fracst = \frac120 , \textkm2 , \texth = 60 , \textkm/h ] In m/s: [ 60 , \textkm/h = \frac603.6 = 16.67 , \textm/s ] Problem 2 A cyclist rides at 5 m/s for 20 seconds. How far does he go? fizika 7 razred zadaci i rješenja

[ p = \fracFA = \frac500 , \textN0.25 , \textm^2 = 2000 , \textPa ] Problem 8 Calculate the water pressure at 2 m depth. (( \rho_\textwater = 1000 , \textkg/m^3, g = 10 , \textN/kg )) [ a = \fracFm = \frac20 , \textN4