Q. The power of a pump, which can pump $200\ kg$ of water to a height of $200\ m$ in $10sec$ is ($g = 10m/s^{2}$)
A) $40\ kW$
B) $80\ kW$
C) $400\ kW$
D) $960\ kW$
Explanation
(a) $p = \frac{mgh}{t} = \frac{200 \times 10 \times 200}{10} = 40\ kW$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.