Cuanto tiempo demora un automovil si recorre 1.200 m y se dezplaza 2.500 m

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

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

answer( sicar );