# Problem: A firefighting crew uses a water cannon that shoots water at 28.0 m/s at a fixed angle of 50.0 above the horizontal. The firefighters want to direct the water at a blaze that is 13.0 m above ground level.How far from the building should they position their cannon? There are two possibilities (d1&amp;lt;d2); can you get them both? (Hint: Start with a sketch showing the trajectory of the water.)

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###### Problem Details

A firefighting crew uses a water cannon that shoots water at 28.0 m/s at a fixed angle of 50.0 above the horizontal. The firefighters want to direct the water at a blaze that is 13.0 m above ground level.

How far from the building should they position their cannon? There are two possibilities (d1&lt;d2); can you get them both? (Hint: Start with a sketch showing the trajectory of the water.)

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Projectile Motion: Positive Launch concept. If you need more Projectile Motion: Positive Launch practice, you can also practice Projectile Motion: Positive Launch practice problems.