Question

25.) The power of pump, which can pump 200
kg of water to a height of 50 m in 10 sec,
will be
​

Answer 1

Answer:

the power of pump  = work / time.

work = potential energy

potential energy = mgh

Therefore, power of pump = mgh / time

m = 200kg

g = 10 (approx)

h = 50m

time = 10 sec

  ⇒ 200 × 10 × 50 / 10

  ⇒ 100000 / 10

   ⇒ 10000 J/ sec

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