[ E_p = m g h = 3 \times 10 \times 4 = 120 , \textJ ]
Here are some sample tasks and solutions for each topic: fizika 7 razred zadaci i rješenja
The following topics will be covered in this guide: [ E_p = m g h = 3
| Quantity | Symbol | Unit | Formula | |----------|--------|------|---------| | Speed | ( v ) | m/s | ( v = s/t ) | | Force | ( F ) | N | ( F = m \cdot a ) | | Weight | ( F_g ) | N | ( F_g = m \cdot g ) | | Density | ( \rho ) | kg/m³ | ( \rho = m/V ) | | Pressure | ( p ) | Pa | ( p = F/A ) | | Pressure (liquid) | ( p ) | Pa | ( p = \rho g h ) | | Potential energy | ( E_p ) | J | ( m g h ) | | Kinetic energy | ( E_k ) | J | ( \frac12 m v^2 ) | \textkPa$ vlada na dubini od $20
Hidrostatički pritisak od $202 , \textkPa$ vlada na dubini od $20,2 , \textm$.
$$V_iznad = V_ukupno - V_ur$$ $$V_iznad = 1 - 0,874 = 0,126 , \textm^3$$