R1V1 = R2V2
0.4 x V1= 0.6 x 5m/s
0.4v1=3m/s
v1= 3/0.4
=7.5m/s
verocity at the narrow pipe = 7.5 m/s
Githiari answered the question on September 18, 2017 at 08:33
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