The power of a pump motor is 2 kilowatt. The water raised by the pump per minute to a height of 10 m is nearly what is mass of water
a)500kg
b)7000kg
c)1200kg
d)0
Answers
Answered by
2
Answer:
Explanation:
given, the power of pump=2KW=2000W
Time(t)=60 sec
Height(h)=10m
g=10m/s
2
as you know, Power =work done unit time
work done= mgh=m×10×10=100m
therefore, 2000w=
60s
100m
hence, m=1200 kg
Similar questions