Question

A building’s 10th floor (34.5 m high) is blazing with fire. A fire truck arrived at the scene and the fire
men shoots water from their hose. The water leaves the hose at the speed of 29 m/s, at an angle of
63° and is held at 0.90 m from the ground. Will the water reach the fire? If so, how far from the
building should the hose be so the fire could be put out?

Answers

the equation is
y = -4.9/(29 cos63°)^2 x^2 + tan63° x + 0.9
so see where y=34.5 (if ever)

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