Evaluate at what angle must they be launched to just graze

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Reference no: EM13117212

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 10 m/s.

The acceleration of gravity is 9.8 m/s2 .

At what angle must they be launched to just graze the ceiling?

Reference no: EM13117212

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