Problem 2: One day when the speed of sound in air is 343 m/s, a fire truck traveling at v; = 29 m/s has a siren which produces a frequency of f= 405 Hz. Randomized Variables Vs = 29 m/s f= 405 Hz Part (a) What frequency (in Hertz) does the driver of the truck hear? fa= sin) cos() tan() 8 9 HOME cotan() asin() acos() E 5 atan() acotan() sinh() 2 cosh) cotanh() ODegrees O Radians tanh() END vol BACKSPACE DEL CLEAR Submit I give up! Hint Feedback Part (b) What frequency (in Hertz) does an observer hear when the truck is moving away?
Problem 2: One day when the speed of sound in air is 343 m/s, a fire truck traveling at v; = 29 m/s has a siren which produces a frequency of f= 405 Hz. Randomized Variables Vs = 29 m/s f= 405 Hz Part (a) What frequency (in Hertz) does the driver of the truck hear? fa= sin) cos() tan() 8 9 HOME cotan() asin() acos() E 5 atan() acotan() sinh() 2 cosh) cotanh() ODegrees O Radians tanh() END vol BACKSPACE DEL CLEAR Submit I give up! Hint Feedback Part (b) What frequency (in Hertz) does an observer hear when the truck is moving away?
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![**Problem 2:** One day, when the speed of sound in air is 343 m/s, a fire truck traveling at \( v_s = 29 \, \text{m/s} \) has a siren that produces a frequency of \( f_s = 405 \, \text{Hz} \).
**Randomized Variables**
- \( v_s = 29 \, \text{m/s} \)
- \( f = 405 \, \text{Hz} \)
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**Part (a)** What frequency (in Hertz) does the driver of the truck hear?
\[ f_d = \]
A calculator interface is provided with various trigonometric and mathematical functions, alongside a keypad including numbers, operations, and controls such as backspace and clear. The interface allows selecting between degrees and radians.
Options available:
- Trigonometric functions: \( \sin(), \cos(), \tan(), \cotan(), \asin(), \acos(), \atan(), \acotan(), \sinh(), \cosh(), \tanh(), \cotanh() \)
- Mathematical constants and operations: \( \pi, e, +, -, \times, \div, \sqrt{} \)
- Number keys: \( 0 \) to \( 9 \)
Buttons:
- "Submit"
- "Hint"
- "Feedback"
- "I give up!"
---
**Part (b)** What frequency (in Hertz) does an observer hear when the truck is moving away?
\[ \]
(Note: Actual calculations and steps for solving the problem are not included in the transcription.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F372c1205-1e31-4659-ae8a-1f69a28691e3%2Fd6bd493d-ebfe-41db-9b7d-2ece9aec2da0%2Fzxpci9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem 2:** One day, when the speed of sound in air is 343 m/s, a fire truck traveling at \( v_s = 29 \, \text{m/s} \) has a siren that produces a frequency of \( f_s = 405 \, \text{Hz} \).
**Randomized Variables**
- \( v_s = 29 \, \text{m/s} \)
- \( f = 405 \, \text{Hz} \)
---
**Part (a)** What frequency (in Hertz) does the driver of the truck hear?
\[ f_d = \]
A calculator interface is provided with various trigonometric and mathematical functions, alongside a keypad including numbers, operations, and controls such as backspace and clear. The interface allows selecting between degrees and radians.
Options available:
- Trigonometric functions: \( \sin(), \cos(), \tan(), \cotan(), \asin(), \acos(), \atan(), \acotan(), \sinh(), \cosh(), \tanh(), \cotanh() \)
- Mathematical constants and operations: \( \pi, e, +, -, \times, \div, \sqrt{} \)
- Number keys: \( 0 \) to \( 9 \)
Buttons:
- "Submit"
- "Hint"
- "Feedback"
- "I give up!"
---
**Part (b)** What frequency (in Hertz) does an observer hear when the truck is moving away?
\[ \]
(Note: Actual calculations and steps for solving the problem are not included in the transcription.)
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