The apparent frequency of the whistle of an engine changes in the ratio `13 : 12` as the engine passes a stationary observer. If the velocity of sound is 350 m/s. The velocity of engine is

The apparent frequency of the whistle of an engine changes in the ratio 6:5 as the engine passes a stationary observer. If the velocity of the sound is 330 m/s then the velocity of the engine will be

The apparent frequency of the whistle of an engine changes in the ratio 6:5 as the engine passes a stationary observer. If the velocity of sound is 330(m)/(s) , then the velocity of the engine is

The apparent frequency of the whistle of an engine changes in the ratio 6:5 as the engine passes a stationary observer. If the velocity of sound is 330(m)/(s) , then the velocity of the engine is

The apparent frequency of the whistle of an engine changes in the ratio 9 : 5 as the engine passes the stationary observer. If the velocity of sound is 350 ms^(-1) , then the speed of the engine is

The frequency of the whistle of an engine appears to drop to (2)/(3)rd of its actual value when it passes a stationary observer. Velocity of sound in air is 330 m/s then the speed of engine is

The frequency of the whistle of an engine appears to drop to (2)/(3)rd of its actual value when it passes a stationary observer. Velocity of sound in air is 330 m/s then the speed of engine is

The Pitch of the whistle of an engine appears to drop to 5/6 th of original value when it passes a stationary observer if the speed of sound in air is 350 m/s then the speed of engine is