Asked by bill nye
A pressure difference of 1.5x10^3 Pa draws water from a well. The water emerges from the pump with a speed of 17.0 m/s. What is the depth of the well?
Answers
Answered by
R_scott
use a dm^3 (liter) of water ... mass is one kg
... cross section is ... .01 m^2
Pa is a N/m^2
lifting force is ... 15 N
work lifting water - (m g h) = K.E at top
... [15 - (m g)]* depth = 1/2 * 1 * v^2
... cross section is ... .01 m^2
Pa is a N/m^2
lifting force is ... 15 N
work lifting water - (m g h) = K.E at top
... [15 - (m g)]* depth = 1/2 * 1 * v^2
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