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Physics
Physics
Problem
A water fountain ejects a stream of water at an angle of
45
∘
45^{\circ}
4
5
∘
. The water strikes the ground
20
20
20
meters away. At what speed is the water ejected? (Take
g
=
10
m/s
2
g = 10\,\text{m/s}^{2}
g
=
10
m/s
2
)
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