Physics, asked by putch4649, 11 months ago

A train approaching a crossing at a speed of 100 km/h sounds a whistle 400 Hz when it is 1.5 km from the crossing. There is no wind and the speed of sound in air is 340 m/s. What frequency is heard by an observer 1.0 km on the strainght road from the crossing at right angles.

Answers

Answered by shivanityagi9410

0

Answer:

bhai i dont know how to do this

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