Q)
(chatquestion)...Two car A and B are moving on two perpendicular
roads towards a crossing with uniform speeds of 72
km/h & 36 km/h respectively. If car A blows horn of
frequency 320 Hz then the frequency heard by the
driver of car B when line joining the cars make 30°
with the line of motion of car B is
340,720
337
(speed of sound = 330 m/s)
(1) (330+5/3) Hz
(2) (330-5/3) Hz
(3) 335 Hz
(4) 325 Hz
...
