Question

se da:
P=90kw
L=45MJ
t=? va rog ajutatima va roggggg​

Answer 1

$P=90 \ kW \\ L=45 \ MJ=45 \ 000 \ kJ \\ P=\frac{L}{t} \ \Rightarrow \ t=\frac{L}{P} =\frac{45 \ 000 \ kJ}{90 \ kW}=\boxed{500 \ s}$