Energy Conservation With Conservative Forces: A prankster drops a water balloon from the top of a building. If the balloon is traveling at 29.1 m/s when it strikes a window ledge that is 1.5 m above the ground, how tall is the building? Neglect air resistance.
A. 45 m
B. 43 m
C. 46 m
D. 47 m
Answer: A
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