Top Posters
Since Sunday
M
2
j
2
c
2
u
2
r
2
t
2
A
2
j
2
b
2
K
2
a
2
o
2
New Topic  
symbo symbo
wrote...
Posts: 1970
Rep: 2 0
7 years ago
Because of the Doppler effect, the sound of the engines of an aircraft that flies over us
A)   changes from a high pitch or frequency to a lower pitch.
B)   changes from a low pitch or frequency to a higher pitch.
C)   remains at the same pitch or frequency, but the intensity rises as the plane approaches and then falls again.
D)   starts at a high pitch or frequency, drops to a low frequency when the plane is overhead, then rises again as the plane moves away from us.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 257 times
1 Reply
Replies
Answer verified by a subject expert
discovererdiscoverer
wrote...
Top Poster
Posts: 1374
7 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here

Related Topics

symbo Author
wrote...

7 years ago
Correct Slight Smile TY
wrote...

Yesterday
Thanks
wrote...

2 hours ago
Thanks
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  701 People Browsing
Related Images
  
 1768
  
 289
  
 316
Your Opinion
Who will win the 2024 president election?
Votes: 119
Closes: November 4

Previous poll results: Do you believe in global warming?