## Answers

2015-10-14T16:51:26+05:30

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
When water is pumped through a water tube, its energy/time = power, is a constant along the pipe.  The amount of water flowing across a cross section per unit time is a constant.  That quantity is given by :  Cross section Area * velocity.
ie., V / T = A * v

At the end of the pipes of a fountain the tubes become narrow.  So the velocity increases drastically, when water comes out.  So water ejects like a jet at an angle to the horizontal.  So water jet goes to great heights in a parabolic path due to gravity acting downwards.

Also, the power is a constant.      Power = pressure * V / T
The pressure of water at the exit of the pipe is very high.