(Answered) Water enters a horizontal nozzle with diameters d1 and d2

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Water enters a horizontal nozzle with diameters d1 and d2 at 10 m=s and exits to the atmosphere. Estimate the pressure upstream of the nozzle if

(a) d1 ¼ 8 cm and d2 ¼ 6 cm

(b) d1 ¼ 8 cm and d2 ¼ 4 cm

(d ) d1 ¼ 12 cm and d2 ¼ 5 cm

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