a) The chasing car B travellimg at 20m/s sounds a horn which the driver of leading car A travelling at 16m/s estimates has frequency 340 Hz. The
frequency
which B's own drive hears (W = 340ms)?
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0
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I don't understand....
Answered by
0
Answer
336ms-1
Explanation:
F' = 340hz
U0=16ms-1
Us=20ms-1
F'= v-Uo
- - - - - * f
V-Us
F'=(340-16)*f/340-20
F'=324/320 *f
340*320/324= f
336ms-1 =f
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