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A bat chirps a 600 Hz sound flying 20 m/s toward a cave wall. **speed of sound 340 m/s a) If you were at the cave wall what frequency chirp would you hear? b) The sound is reflected by the cave wall back towards the bat. What frequency chirp will the bat hear?

A bat chirps a 600 Hz sound flying 20 m/s toward a cave wall. **speed of sound 340 m/s a) If you were at the cave wall what frequency chirp would you hear? b) The sound is reflected by the cave wall back towards the bat. What frequency chirp will the bat hear?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A bat chirps a 600 Hz sound flying 20 m/s toward a cave wall. **speed of sound 340 m/s

a) If you were at the cave wall what frequency chirp would you hear?

b) The sound is reflected by the cave wall back towards the bat. What frequency chirp will
the bat hear?

This table displays various physical properties of selected materials, along with some fundamental physical constants. ### Material Properties Table | Material | α (°C⁻¹) | c (J/(kg·K)) | C (J/(mol·K)) | Lf (J/kg) | Lv (J/kg) | Density (kg/m³) | |------------------|-------------|--------------|----------------|--------------|--------------|----------------| | Gold | - | 129 | 25 | - | - | 19,300 | | Copper | 1.65×10⁻⁵ | - | - | - | - | 8,960 | | Aluminum | 2.3×10⁻⁵ | - | - | - | - | 2,700 | | Stainless Steel | 1.75×10⁻⁵ | - | - | - | - | 7,500 | | Water | - | 4190 | 75 | 3.33×10⁵ | 22.6×10⁵ | 1,000 | | Ethyl Alcohol | - | 2400 | 110 | 1.09×10⁵ | 8.79×10⁵ | 790 | | Ice | - | 2090 | 37.6 | - | - | 917 | ### Explanation of Symbols - **α (°C⁻¹)**: The coefficient of thermal expansion, indicating how much a material expands per degree Celsius increase in temperature. - **c (J/(kg·K))**: Specific heat capacity, representing the amount of heat required to raise the temperature of one kilogram of the material by one Kelvin. - **C (J/(mol·K))**: Molar heat capacity, the heat required to raise the temperature of one mole of the substance by one Kelvin. - **Lf (J/kg)**: Latent heat of fusion, the amount of heat required to convert a unit mass of the solid into a liquid without a temperature change. - **Lv (J/kg)**: Latent heat of vaporization, the heat required to convert a unit mass of
Transcribed Image Text:This table displays various physical properties of selected materials, along with some fundamental physical constants. ### Material Properties Table | Material | α (°C⁻¹) | c (J/(kg·K)) | C (J/(mol·K)) | Lf (J/kg) | Lv (J/kg) | Density (kg/m³) | |------------------|-------------|--------------|----------------|--------------|--------------|----------------| | Gold | - | 129 | 25 | - | - | 19,300 | | Copper | 1.65×10⁻⁵ | - | - | - | - | 8,960 | | Aluminum | 2.3×10⁻⁵ | - | - | - | - | 2,700 | | Stainless Steel | 1.75×10⁻⁵ | - | - | - | - | 7,500 | | Water | - | 4190 | 75 | 3.33×10⁵ | 22.6×10⁵ | 1,000 | | Ethyl Alcohol | - | 2400 | 110 | 1.09×10⁵ | 8.79×10⁵ | 790 | | Ice | - | 2090 | 37.6 | - | - | 917 | ### Explanation of Symbols - **α (°C⁻¹)**: The coefficient of thermal expansion, indicating how much a material expands per degree Celsius increase in temperature. - **c (J/(kg·K))**: Specific heat capacity, representing the amount of heat required to raise the temperature of one kilogram of the material by one Kelvin. - **C (J/(mol·K))**: Molar heat capacity, the heat required to raise the temperature of one mole of the substance by one Kelvin. - **Lf (J/kg)**: Latent heat of fusion, the amount of heat required to convert a unit mass of the solid into a liquid without a temperature change. - **Lv (J/kg)**: Latent heat of vaporization, the heat required to convert a unit mass of
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