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A fire nozzle situated at a distance of 18m from a building discharges water with an initial velocity 30m/s. Find a) the maximum height H that can be reached by water b( the corresponding angle Alpha

A fire nozzle situated at a distance of 18m from a building discharges water with an initial velocity 30m/s. Find
a) the maximum height H that can be reached by water
b( the corresponding angle Alpha
 

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1 Answers

Saurav
224 Points
4 years ago
for the maximum height when the water reaches building, the condition will be the building should be at mid point of range .
therfore the range of parabola should be 36m
{u2sin(2alpha)}/g=36
which gives alpha=half*sin-10.4
now go for height by inverse trigo :)
if it helps please approve

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