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  • Water stands at a height H in a tall cylinder (see Fig) . Two holes A and B are made on the sides of the cylinder. If hole A is at a height h above the ground, what

Water stands at a height H in a tall cylinder (see Fig)
. Two holes A and B are made on the sides of the cylinder. If hole A is at a height h above the ground, what is the height of hole B above the ground so that the two streams of water emerging from holes A and B strike the ground at the same point?

Option: 1

\mathrm{2 h}


Option: 2

\mathrm{H / 2}


Option: 3

\mathrm{H-h}


Option: 4

\mathrm{H-h / 2}


Answers (1)

best_answer

                                                      \mathrm{ R=2 \sqrt{h(H-h)} }

Notice that R remains the same if h and (H-h) are interchanged. Thus, if hole A is at a height h above the ground, hole B must be at a distance (H-h) from the ground for R to remain the same. Hence the correct choice is (c).

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Sayak

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