Two car moving in opposite directions approach each other with speed of `22m//s` and `16.5m//s` respectively. The driver of the first car blows a horn having a frequency `400 Hz`. The frequency heard by the driver of the second car is [velocity of sound `340m//s`].

Two cars moving in opposite direction approach each other with speed of 22m//s and 16.5m//s respectively . The driver of the first car blows a horn having a frequency 400Hz . The frequency heard by the driver of the second car is [ velocity of the sound 340m//s]

Two cars moving in opposite directions approach each other with speed of 22 m//s and 16.5 m//s respectively. The driver of the first car blows a hom having a frequency 400 Hz. The frequency heard by the driver of the second car is [velocity of sound 340 m//s ]:

Two cars moving in opposite directions approach each other with speed of 22m/s and 16.5 m/s respectively. The driver of the first car blows a horn having a frequency 400 Hz. The frequency heard by the driver of the second car is (velocity of sound 340m/s]:

Two cars moving in opposite directions approach each other with speed of 22m//s and 16.5 m//s respectively.The driver of the first car blows a horn having a frequency 400Hz.The frequency heard by the driver of the second car is [velocity of sound 340 m//s ]

Two cars moving in opposite directio approach each other with speed of 22m//s and 16.5m//s respectively . The driver of the first car blows a horn having a frequency 400Hz . The frequency heard by the driver of the second car is [ velocity of the sound 340m//s]

Two trucks heading in opposite directions with speeds of 60 kmph and 70 kmph respectively, approach each other. The driver of the first truck sounds his horn of frequency 400Hz. What frequency does the driver of the second truck hear ? (Velocity of sound = 330 m //s ).After the two trucks have passed each other, what frequency does the driver of the second truck hear ?