A fireworks show is choreographed to have two shells cross paths at a height of 131 feet and explode at an apex of 161 feet under normal weather conditions. The shells have a launch angle 0 = 68° above the horizontal. If a strong wind induces a constant rightward acceleration of 16 ft/sec² for the fireworks shells, determine the horizontal shift Ax of the crossing point of the shells. 4 30' 131' VO A/0 T Answer: Ax = i 25.977 I I d ft Vo B

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.