A 2.3-kg fireworks shell is fired at an angle 12.5° from the vertical from a mor

A 2.3-kg fireworks shell is fired at an angle 12.5° from the vertical from a mortar and reaches a height of 102 m. Take the upwards direction to be positive for this problem.
m = 2.3 kg h = 102 m l = 0.575 m a = 12.5 °
The mortar itself is a tube 0.575 m long
Tutor Answer
