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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 8 - Work, Energy and Power > Water falling from a 50 m high fall is to be used for generating electric energy. If 18×10^5 kg of water falls per hour and half the gravitational potential energy can be converted into electric energy, how many 100 W lamps can be lit?

Water falling from a 50 m high fall is to be used for generating electric energy. If 18×10^5 kg of water falls per hour and half the gravitational potential energy can be converted into electric energy, how many 100 W lamps can be lit?

Work done from d = 0 m to d = 3 m