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AIEEE 2011 Solved Paper
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© examsnet.com
Question : 33
Total: 91
A water fountain on the ground sprinkles water all around it. If the speed of water coming out of the fountain is
v
, the total area around the fountain that gets wet is :
π
v
4
g
2
π
2
v
4
g
2
π
v
2
g
2
π
v
2
g
Validate
Solution:
Maximum range of water coming out of fountain,
R
max
=
v
2
s
i
n
2
θ
g
=
v
2
s
i
n
90
∘
g
=
v
2
g
Total area around fountain,
A
=
π
R
max
2
=
π
v
4
g
2
© examsnet.com
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