Take a plastic pipe and fix a jet at one of its end. Connect the pipe to a water tap attached to a large
overhead tank. Fix a large protractor as shown in the figure so that you can hold the pipe at different
angles (say at 150, 300, 450 and 600).
Hold the pipe in such a manner that jet of water comes out at an angle of 150. Measure the distance up to
which water is reaching. This is the range of the projectile.
Now hold the pipe at an angle of 300, 450 and 600. Measure the range of the projectile in each case.
Keep the speed of water coming out of the jet same in each case.
What do you find? For a given speed, the range is maximum when the angle of projection is 450.
Also, try to find out the effect of initial speed of water on the range of the projectile. I TRIED A LOTT..PLEASE HEAP..
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