The guns are calibrated for motion directly toward or away from the gun. If a car is moving perpendicular to the line of sight of the gun there _____.
If the car is coming or going at some other angle then there _________.
So, if the radar gun reports that a car is moving at a certain speed, it is moving with the speed ___________ radar reports.
-not slower than
-will be smaller Doppler shift
-will be no Doppler shift
-not faster than
-will be larger Doppler shift
-exactly equal to what