ICSE − Q & A

an engine can pump 30,000 litres of water to a vertical height of 45 metres in 10 minutes.calculate the work done by the machine and the power.
density of water =10^3 kg/m^3,1000 litre= 1 m^3,g= 9.8 m/s^2).how to solve??

http://www.respaper.com/vivekgupta98/5325-pdf.html how do you solve 3.d?

+ 3 more questions by tedgreen  

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Hey,  in that question why are they sayin that since the length of air column in B is 3 times that of D therefore resonance is taking place because A and C are 4 and 2 times that of D?

+ 2 more questions by shivaanee22  

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For the heating curve of water, do we also draw the part after vaporisation?

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Alright please answer this A.C travel with a frequency of 50Hz .It means the polarity changes 100 times in 1 sec or 50 times.

+ 1 more questions by funnysimgh  

Go for mediation 30 minutes before exam.. It will 1000% help u.
asked by Funny Funny (funnysimgh) 8 years ago
2

Explain subsidiary notes pls....and how they help determine quality of sound

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