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Mechanical Properties Of Fluids

Question
CBSEENPH11026123

A tank is filled with water upto height H. When a hole is made at a distance h below the level of water. What will be the horizontal range of water jet?

  • 2 h H - h

  • 4 h H + h

  • 4 h H - h 

  • 2 h H + h

Solution

A.

2 h H - h

Applying Bernoulli's theorem

The velocity of water at point ν = 2 ghTime take to reach at point C is tso,  H - t =12gt2t =2H - hgNow horizantol rangeR = νt  =2 gh × 2H -hg=2H - hh