You are driving east at 25.0 m/s as you notice an ambulance traveling west toward you...

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You are driving east at 25.0 m/s as you notice an ambulance traveling west toward you...

You are driving east at 25.0 m/s as you notice an ambulance traveling west toward you at 35.0 m/s. The sound you detect from the sirens has a frequency of 295 Hz . Determine the true frequency of the sirens. Assume normal room temperature.

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Answer 1

Answer #1

Speed of sound at room temperature is 343 m/s

True frequency, f_o = [(c - v_s) / (c + v_r)]f_app = [(343 - 35) / (343 + 25)] * 295 = 246.9 Hz

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Answer 2

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