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Water falling = how much power? 
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#1
Feb209, 02:52 PM

P: 14

Water flows over a section of a waterfall at the rate of 3.2 104 kg/s and falls 33 m. How much power is generated by the falling water?
watts i tried to use the power equation but im just not sure how the numbers relate. help please? 


#2
Feb209, 03:24 PM

HW Helper
P: 5,343

You need to calculate the rate of potential energy delivery which is m*g*h/sec.



#3
Feb209, 03:28 PM

P: 56

use energy:
E[tex]_{gravitational}[/tex] before = E[tex]_{kinetic}[/tex] after The gravitational energy of the water is turned into kinetic energy the amount of power generated is the energy per second. 


#4
Feb209, 07:18 PM

P: 14

Water falling = how much power?
thanks guys



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