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Posted by on Saturday, February 2, 2013 at 3:07pm.

A total of 100000 kg of water per second flows over a waterfall 30 m high. If half of the power this flow represents could be converted into electricity, how many 100 watt lightbulbs could be supplied?

  • Physics - , Saturday, February 2, 2013 at 5:17pm

    0.5mgh/t=0.5•10⁵•9.8•30=1.47•10⁷ W
    N= 1.47•10⁷/100=1.47•10⁵

  • Physics - , Tuesday, September 1, 2015 at 10:44pm

    5.5

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