the number of beats heard per second by the driver is

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A car is moving with a velocity of 5m/s towards huge wall. The driver sounds a horn of frequency 165Hz. If the speed of sound in air is 335m/s, the number of beats heard per second by the driver is
31
Oct
A car is moving with a velocity of 5m/s towards huge wall. The driver sounds a horn of frequency 165Hz. If the speed of sound in air is 335m/s, the number of beats heard per second by the driver is A car is moving with a velocity of 5m/s towards huge wall. The driver sounds [...]
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