Momentum and CollisionHard
Question
The pressure of water in a water pipe when tap is opened and closed is respectively 3 × 105 Nm-2 and 3.5 × 105 Nm-2. With open tap, the velocity of water flowing is
Options
A.10 m/s
B.5 m/s
C.20 m/s
D.15 m/s
ρv2 = Pclosed ⇒ v = 
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