A 15 kg cannon ball is firedfrom a cannon with muzzle speed of 867 m/s at an angle of51.3? withthe horizontal. The acceleration of gravity is9.8m/s2 . Use conservation of mechanical energy to findthe maximum height reached by first ball. Answer in units ofm.
A second identical ball is firedat an angle of 98?. What is the totalmechanical energy at the maximum height of the second ball. Answer in units of J.