A satellite orbiting Earth at a velocity of 5000 m/s collides with a piece of space debris traveling at 6500 m/s. If the objects have the same mass and
the space debris has a velocity after collision of 5000 m/s, what is the
velocity of the satellite after the collision?

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.  

the answer is 3.1 his answer is wrong mines is right

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.

attach the statements so i can answer : )