How fast is it going? physics

Physics
Tutor: None Selected Time limit: 1 Day

Apr 4th, 2015

c =speed of sound

 v = emitter speed

+v = receding

 -v = approaching

approaching velocities =fh 

 receding velocities = fl

fl = f0*c/(c+v)

 fh = f0*c/(c-v)

 = fl/fh 

= (c-v)/(c+v) 

=fl(c+v)/fh-c 

= -v =v = c(fh-fl)/(fh+fl)

 = 343*0.8/2.8 

= 98 m/s 

93*3600

= 352.8 km/hr

Apr 3rd, 2015

c =speed of sound

 v = emitter speed

+v = receding

 -v = approaching

approaching velocities =fh 

 receding velocities = fl

fl = f0*c/(c+v)

 fh = f0*c/(c-v)

 = fl/fh 

= (c-v)/(c+v) 

=fl(c+v)/fh-c 

= -v =v = c(fh-fl)/(fh+fl)

 = 343*0.8/2.8 

= 98 m/s 

98*3600

= 352.8 km/hr


Apr 3rd, 2015

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Apr 4th, 2015
...
Apr 4th, 2015
Dec 5th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer