Question

A motor pump lifts 6 tonnes of water from a well of depth 25 m to the first floor of height 35 m from the ground floor in 20 minutes. the power of the pump (in kw) is [g = 10 ms-2]

Answer 1

HEY.

HERE IS THE ANSWER.

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h = 25+35 m=60m

flow rate = (m/t) = 6 tonnes/20min
=6000/20 kg/min
=300/60 kg/sec
=5 kg/sec

Power P = mgh/t = 5×10×60 =3000 watt

So, Power of the pump is 3kW.

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Thanks.

Answer 2

Answer:

ans is 3KW

Explanation:

P = mgh /t

m = 6000/60

= 5 kg

h = 25+35 = 60 m

put in the formula

P = 3000

= 3KW

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