Desde un globo que está a 300m sobre el suelo y se eleva a 13m/s, se deja caer una bolsa de lastre. Para la bolsa de lastre, encontrar su posición y velocidad 5 segundos después de haberse desprendido:

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

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