Answered

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Sagot :

Answer:

(3) Potent energy per unit volume

Explanation:

The kinetic energy, pressure and flow speed all change with cross-section area so they are not constant over time. Because the flow is in a horizontal pipe, the height never changes so (3) Potent energy per unit volume is constant.

Answer:

Option C

Explanation:

Mark the line horizontal pipe.

  • Means the height is constant
  • Potential energy depends upon height.
  • So potential energy also remains unchanged
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