If a pump is capable of lifting 5000kg of water through a vertical height of 60m in 15 min, the power of the pump is
-
A.
2.2.5 x 10 5js-1 -
B.
2.5 x 104js-1 -
C.
3.3 x 103js-1 -
D.
3.3 x 102js-1
Correct Answer: Option C
Explanation
P = (frac{mgh}{t})
P = (frac{5000 times 10 times 60}{(15 times 60)s})
P = 3333.3333
P = 3.3 x 103js-1
There is an explanation video available below.