Projectile problem without theta or time

[pwoolson]

shooting a cannon so that it explodes 10m off the ground above a target. The distance of the target is 1000m. Cannon is shot with a velocity of 10 m/s. Solve a) for θ and b)time in the air

Homework Equations

The Attempt at a Solution

 

[Saitama]

I guess you are forgetting something...

The Attempt at a Solution

 

[LawrenceC]

Comment:

A projectile that is fired from the ground with an initial velocity of 10 m/sec will not travel 1000 m. Something is wrong with the problem statement.