Water fl owing in a smooth 6-cm-diameter pipe enters aventuri contraction with a throat diameter of 4 cm.Upstream pressure is 120 kPa. If the pressure in the throatis 50 kPa, what is the fl ow rate, assuming ideal frictionlessfl ow?( a ) 7.5 gal/min, ( b ) 236 gal/min, ( c ) 263 gal/min,( d ) 745 gal/min, ( e ) 1053 gal/min

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