Question: Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. The ceiling is of height 3

Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. The ceiling is of height 3.5 m, and the balloons are launched at a velocity of 11 m/s.The acceleration of gravity is 9.8 m/?At what angle must they be launched toust graze the ceiling?Answer in units of \deg
Pls answer with thorough explanation

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