Give and explain an example of the use of the Doppler Effect on ...

[NClaborn]

Give and explain an example of the use of the Doppler Effect on the highway.
 
  What will be an ideal response?

Question 2

In the process of planetary formation, when would the inward migration of Jupiters have been most likely?
 
  A) Shortly after all of the planets had finished forming
  B) Just after the system was cleared of the remaining gas
  C) Before these planets had grown to full size
  D) After these planets had reached full size, but before terrestrial planets had finished forming
  E) At least hundreds of millions of years after planetary formation ended

[aburgess]

Answer to Question 1

The radar gun of a highway patrolman sends out a pulsed beam to be reflected back, thus giving the speed of your car and perhaps netting you a ticket.

Answer to Question 2

D

[NClaborn]

Thanks for the timely response, appreciate it

[scikid]

Excellent