A fireman shoots water out of a hose at 12m/s. he is standing on a 20m high roof and is aiming for the top of another roof at the same height, but it is 21 m away. What angle should the fireman aim the hose above the horizontal in order to hit the other roof?(adsbygoogle = window.adsbygoogle || []).push({});

i set up a chart but have no idea what to do now:

x y

vi " '

vf " -'

a 0 -9.8

d 21 0

t

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# Homework Help: Fireman Roof Problem

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