aperson standing 4.9m from foot of atall cliff clapps his hands and hears echo 0.3s later. calculate velocity of sound in air

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

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Burgers vector is generally parallel to the dislocation line. a)-true b)-false