Two cars are approaching each other at an equal speed of 7.2 km/hr. Wh – InterviewSolution

1.	Two cars are approaching each other at an equal speed of 7.2 km/hr. When they see each other, both blow horns having frequency of 676Hz. The beat frequency heard by each driver will be Hz.[Velocity of sound in air is 340m/s]
Answer» Two cars are approaching each other at an equal speed of $7.2 km/hr$ . When they see each other, both blow horns having frequency of $676 Hz$ . The beat frequency heard by each driver will be $Hz$ . [Velocity of sound in air is $340 m/s$ ]

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