Part A IP A highway patrolman sends a 25.250 GHz radar beam toward a speeding car. The reflected wave is lower in frequency by 3.87 KHz . Is the car moving toward or away from the radar gun? car is moving toward the radar gun O car is moving away from the radar gun Submit Previous Answers Correct Part B Explain. The car is moving away from the radar gun because the reflected wave frequency is lower than the original frequency. Submit Previous Answers Submitted, grade pending Part C What is the speed of the car? [Hint: For small values of x, the following approximation may be used: (1 + x)? ~ 1 + 2x. ] Vi ? u = m/s