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1. Water Pressure

Oh you're right, sorry. Yeah they are circular pipes but I just wrote down the area incorrectly. I wrote down the pipes' radii for their area when I shouldn't wrote their radii^2*pi. Thanks for the help!
2. Water Pressure

Thanks And what mistake do you think I made for v_B? It worked out giving me the right answer :o.
3. Water Pressure

Hi, I am working on this water pressure problem, given: v_A = 2.0 \frac{m}{s} gauge pressure_A = 50 kPa the view is from above, no height changes find: gauge pressure @ B so, A_Av_A=2(A_Bv_B) 1.5*10^{-2}m^2(2.0\frac{m}{s})=2(5*10^{-3}m^2v_B) v_B=9.0\frac{m}{s} Bernoulli's equation (w/o...
4. Speed Pertaining to Circular Motion

Cool, thanks a lot guys, I wish my book explained that :p
5. Speed Pertaining to Circular Motion

Units for Speed Pertaining to Circular Motion Hi, So v=ω*r Where v = velocity in m/s ω = angular velocity in rad/s r = radius in m But I am confused...the units don't match! What happens to the rad? m/s = (rad/s)*s My textbook doesn't explain it, it simply does calculations...