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a cylinder of height 20m is completely filled with water. find the velocity of efflux the water through a small hole on the side will of the cylinder near itsbottom. take g=10m/s

Asked by futureisbright051101 3rd March 2018, 7:46 PM
Answered by Expert
Answer:
 
As per bernauli's equation  p+(1/2)ρu2 is constant.
If we apply the bernauli's equaition at the top surface and at the bottom hole
 
begin mathsize 12px style P subscript 0 space equals space P space plus space 1 half rho u squared space equals space open parentheses P subscript 0 plus rho g h close parentheses plus 1 half rho u squared end style
so we get, begin mathsize 12px style u space equals space square root of 2 g h end root space equals square root of 2 cross times 10 cross times 20 end root equals 20 space m divided by s end style
Answered by Expert 4th March 2018, 5:53 PM
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