Two train whistles, A and B, each have a frequency of 404 Hz. A is stationary and B is moving toward the right (away from A) at a speed of 35.0 m/s. A listener is between the two whistles and is moving toward the right with a speed of 15.0 m/s as shown in (Figure 1). Figure ▾ Part A VB = 35.0 m/s VA = 0 V₁ = 15.0 m/s What is the frequency from A as heard by the listener? Express your answer in hertz. ΜΕ ΑΣΦ -421.67 ? Hz You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer Part B What is the frequency from B as heard by the listener? Express your answer in hertz. ΜΕ ΑΣΦ f2 = ? Hz B 1 of 1 Part C What is the beat frequency detected by the listener? Express your answer in hertz. fbeat = 47.92 ΑΣΦ Submit Previous Answers Request Answer × Incorrect; Try Again ? Hz
Two train whistles, A and B, each have a frequency of 404 Hz. A is stationary and B is moving toward the right (away from A) at a speed of 35.0 m/s. A listener is between the two whistles and is moving toward the right with a speed of 15.0 m/s as shown in (Figure 1). Figure ▾ Part A VB = 35.0 m/s VA = 0 V₁ = 15.0 m/s What is the frequency from A as heard by the listener? Express your answer in hertz. ΜΕ ΑΣΦ -421.67 ? Hz You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer Part B What is the frequency from B as heard by the listener? Express your answer in hertz. ΜΕ ΑΣΦ f2 = ? Hz B 1 of 1 Part C What is the beat frequency detected by the listener? Express your answer in hertz. fbeat = 47.92 ΑΣΦ Submit Previous Answers Request Answer × Incorrect; Try Again ? Hz
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter2: One Dimensional Motion
Section: Chapter Questions
Problem 25PQ: During a thunderstorm, a frightened child is soothed by learning to estimate the distance to a...
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