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Motion In A Plane

Question
CBSEENPH11018580

Water stream leaves from hose pipe with velocity u m/s at angle θ with vertical and hose pipe rotates about vertical axis with angular velocity ω rad/sec. Find the area of circle and where will the water stream strike the ground?

Solution
The radius of the circle is equal to the horizontal distance at which water stream strikes the ground.
That is, 
 
                            straight R equals fraction numerator straight u squared sin 2 straight theta over denominator straight g end fraction
Area of the circle is,
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