Question

4. An engine lifts 1200 kg of water per minute from a well 10 m deep. Taking g = 10 m/s2, Calculate: (i) The energy supplied by the engine. (ii) The power of the engine.​

Answer 1

Answer:

i wanna to be honest so i m sorry because I don't know the correct answer.

Answer 2

Explanation:

I can give you an example for the above question

Given,

m=1000kg

t=1min=60sec

h=10m

v=10m/s

g=10m/s

2

Power, P=

t

mgh+

2

1

mv

2

P=

60

1000×10×10+

2

1

×1000×10×10

P=

60

100000+50000

=

60

150000

=2500W

As we know that, 1horse−power=746Watt

1W=

746

1

horse−power

2500W=

746

2500

=3.25HP