'A 300V electric fountain draws a 20 amp and pumps 10kg of water each second. If each Kg of water changed all of it's kinetic energy into potential energy, how high will it go?'

If you could tell me how to do it, I'd be very much appreciative.

The only formula to do with it I have is 'Potential energy = mass x g x height'
But I don't full understand that

Any help would be great
Quote by KileManA7X
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Electrical energy = ItV

Potential energy = mgh

Equate the two and you'll get your answer

We'll win something someday

Quote by Minkaro
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Potential energy
--------------------- = Height
mass x g

So u need to work out how many joules of energy is being transferred into the water.

Then divide that amount by 10Kg x 9.8m/s= 98Kg/ms.

Your answer will then be in metres.
Quote by saphrax
Bit harsh I think! He comes back for the last 10 minutes against Roma, after being out all season, and you want him crippled again? You harsh wanker!

Aimed at me for saying I hope Gary Neville breaks all his limbs
Make sure you start revising around Christmas time mate, i started only a month before my exams, i just got straight Cs.