Suppose you have two toy cars. each has a mass of 0.04 kg . the cars have tape on their bumpers that will cost them to couple together. one car is stopped on the track. the other car, traveling at a velocity of 4 m/s, hits the first car. what is the momentum of the coupled cars? answer asap!

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

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pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y