A car is approaching a radio station at a speed of 25.0 m/s. If ...

[cartlidgeashley]

A car is approaching a radio station at a speed of 25.0 m/s. If the radio station broadcasts at a frequency of 74.5 MHz, what change in frequency does the driver observe?
 
  A) 98.3 Hz
  B) 6.21 Hz
  C) 726 Hz
  D) 67.0 Hz
  E) 64.5 Hz

Question 2

Two people are talking at a distance of 3.0 m from where you are and you measure the sound intensity as 1.1  10-7 W/m2. Another student is 4.0 m away from the talkers. What sound intensity does the other student measure?
 
  A) 6.2  10-8 W/m2
  B) 1.5  10-7 W/m2
  C) 8.3  10-8 W/m2
  D) 7.8  10-7 W/m2
  E) 2.5  10-8 W/m2

[Amiracle]

Answer to Question 1

B

Answer to Question 2

A

[cartlidgeashley]

Thanks for the timely response, appreciate it

[pangili4]

YES! Correct, THANKS for helping me on my review