Physics, asked by Ak4d007, 1 year ago

an engine can pump 30000 of water to a vertical height of 45m in 10 minutes calculate the work done by the machine and the power

Answers

Answered by prachi5659

First,

Energy used = work done

We will find the mass of water . D= M/V
= 1000/30m/sec Cube

$mass = 30000kg \\ \\ potential \: energy = mgh \\ 30000 \times 9.8 \times 45 = 13230000j \\ power = work \: done \div timetaken \\ power = 13230000 \div 600 = 22050watts$

Ak4d007: actually I am getting the same answer but I was not confirmed.but now confirmed that answer is right and thanks a lot

prachi5659: welcome

prachi5659: actually this is my NCERT Book question that's why I am able to answer your question

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