Step 1, when solving a two dimensional, multi-charge problem, is to define the vectors. identify the next five steps, in order. calculate the magnitude of r sum vector components calculate a and b magnitudes calculate the direction of r calculate x, y components

Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct?