A loudspeaker on a cart emits a steady tone of frequency 440 Hz

PHYSICS · Subjective · CBSE · Physics · Waves · Waves

Problem

A loudspeaker on a cart emits a steady tone of frequency 440 Hz. The cart moves directly toward a stationary listener at 30 m/s. The speed of sound in air is 340 m/s. Calculate the frequency heard by the listener.

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