Question

Se da:. |
t=25s. |
mr=10kg |
h=3m. |
_______
P-?
am nevoie urgent​

Answer 1

$t=25 \ s \\ m=10 \ kg \\ h=3 \ m \\ \vec{g}=10 \ m/s^2 \\ P=\frac{L}{t}=\frac{F\cdot d}{t}=\frac{G\cdot h}{t}=\frac{m\cdot g\cdot h}{t} \\ \Rightarrow P=\frac{10 \ kg \cdot 10 \ m/s^2 \cdot 3 \ m}{25 \ s}=\frac{300\ J}{25 \ s} \\ \Rightarrow \boxed{P=12 \ W}$