Sound travels faster in seawater (1522 m/s) than in freshwater (1482 m/s). Why is this? a. Seawater has higher temperature b. Seawater has higher density c. Seawater has dissolved solids d. None of the above
Q: b. speed c. frequency d. None of the above 2. An azimuth-range radar display has a geometric…
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Q: e are many movements manifested by particles of matter. In gases, the particles move rapidly. In…
A: Given:- There are many movements manifested by particles of matter. In gases, the particles move…
Q: 1. The speed of sound wave depends on ______________. A. pitch B. loudness. C. temperature D.…
A: "As per the guidelines i solved the first question alone". 1. The expression for velocity of the…
Q: 1. A boat is headed north at a velocity of 8 km h-1. A strong wind is blowing whose pressure on the…
A: Given data- Velocity V1= 8 km/h at North Velocity V2= 2 km/h at West Velocity V3= 5 km/h at 30…
Q: What is the wavelength of the sound emitted by the siren (ambulance siren) whose frequency is 1480HZ…
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Q: 6. Josh rides a rocket around a mountain. He is moving at a rate of 122 m/s. As the rocket flies…
A: Sound velocity depends on medium and not on velocity of rocket.
Q: When the frequency of the source of a water wave increases, the speed of the waves traveling in the…
A: Write the equation for the speed of the waves traveling in the water.…
Q: 5. Doppler shift of ultrasonic waves can measure the speed of blood in an artery. If the frequency…
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Q: A pendulum clock is made with a metal rod. It keeps perfect time at a temperature of 20°C. At a…
A: Pendulum clock
Q: 29. Ocean waves lap against a deserted beach once every 5 seconds. If there are about 10 meters…
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Q: Sound travels at the fastest speed in: A. steel B. water C. air D. vacuum
A: The speed of sound varies with the medium. The speed of sound is the fastest in solids.
Q: Q 15 A doctor using 3 MHz ultrasound measures a 6500 Hz frequency shift as the ultrasound reflects…
A: Considering the data, F = 3 MHz ΔF = 6500 Hz Velocity of sound in body = 1540 m/s Density, ρ = 1060…
Q: 6. A train approaching a crossing sounds its horn with a frequency of 750 Hz. An observer standing…
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Q: A teacher wants to demonstrate that the speed of sound is not a constant value. Considering her…
A: B.
Q: 6. What is the value of 1₁ ? a. 0.2 A b. 0.3 A c. 0.4A d. 0.5A 7. What is the value of 1,? a. 0.2 A…
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Q: 1. An example of a medium for a wave is a. air. b. water. c. space. d. all of the above. 2. A medium…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: Air temperature in a desert can reach 52.0°C (about 126°F). What is the speed of sound (in m/s) in…
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Q: Seismic waves are described by s-waves and p-waves. Which of these about seismic waves is not true?…
A: 1st questionP waves or primary waves arrives first and S waves or secondary waves arrive second, so…
Q: Which of these is the reason why sound can be propagated away from the source? a. condensations have…
A: Given, to find which of the reason is responsible for the sound wave to propagate away from the…
Q: transverse mechanical waves can pass through a. solid b. liquids c. gasses d. all of the above
A: Explanation: Transverse waves: A transverse wave is a wave whose wave oscillations are perpendicular…
Q: 10 A. How does the speed of sound in air compare with its speed in water and in steel? Reference…
A: The speed of sound varies significantly depending on the medium it travels through. In general, it…
Q: 10. Determine the speed of sound in concrete material with Young's modulus of 3 x 10^10 N/m2 and a…
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Q: Wind gusts create ripples on the ocean that have a wavelength of 5 cm and propagate at 2 m/s. What…
A: Given Wavelength λ=0.05m Speed v=2 m/s
Q: On increasing the temperature, the speed of sound in air: a. first increases then become constant b.…
A: Speed of sound in air with temperature is given by v=331+0.61T where v is speed and T is…
Q: QI- Find the speed of sound in a gas and its molecular weight, given its bulk modulus is 2x10° N/m²,…
A: We have a gas with bulk modulus B=2*106N/m2, density ρ=103kg/m3 and adiabatic constant γ=1.4 at a…
Q: 13. Most deep sea divers suffer from impaired hearing. This is because the eardrum can be damaged…
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Q: Consider a sound wave traveling from left to right in a certain region in air. If, at a particular…
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Q: The speed of sound is affected by both temperature and medium it is travelling on. a. True b.…
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Q: A clock with a brass pendulum shaft keeps correct time at a certain temperature. a. How closely must…
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Q: 1A. You hear the sound of the firing of a distant cannon 3 seconds after seeing the flash. a) Draw a…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: A sound source that has a frequency of 500 Hz moves at a speed of 15 m/s approached a silent…
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Q: A pendulum consists of a thin metal rod with a metal mass at the bottom. While the pendulum is…
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Q: A plane travels at an atmosphere of 3°C, plane must exceed a velocity of in order to break the sound…
A: The speed of sound at the given temperature T=30C is 333 m/s.
Q: A clock with a brass pendulum shaft keeps correct time at a certain temperature. a. How closely must…
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Q: Infrasonic wave is a sound wave with frequency
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Q: At what temperature, the speed of sound in the air will become double of its value at 27°C? a) 54°C…
A: D
Q: What happens to the speed of sound in air in an increasing temperature? a.decreases b.increases…
A: 1. If temperature increases the speed of sound in air also increases. Speed of sound is directly…
Q: . Earthquakes with epicenter underneath an ocean may cause tsunami and be destructive to nearby…
A: Answer is below
Q: 12. What is the approximate speed of sound? a. 1000 feet per second b. 1 billion feet per second…
A: We know speed of sound is 343m/ sec
Q: Sound waves in air are: A. transverse B. longitudinal C. electromagnetic D. polarised
A: A wave in which the particles of the medium vibrate in the direction of the line of advance of the…
Q: . The sound of a loud rock concert (at 100 decibels) is how much louder than the sound of rustling…
A: decibel scale is logarithmic scale.every 10 decibels you add multiplies the intensity of the sound…
Q: mans can perceive some of these sounds while the others would be considered waves. a. ultrasonic c.…
A: A sound is a vibration that propagates through a medium in the form of a mechanical. The medium in…
Q: Ultrasound wave is a sound wave with frequency
A:
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- 15- In science-fiction movies, the movie makers provide exciting visual and sound effects, such as the sound made by a spaceship accelerating to warp speed. Do you think if you were in space, you would hear such sounds? Explain your answer. AA system response deviated from the set point to certain percentage then what would you termed as such characteristics of system? a.Settling time b.Dead zone c.Dead time d.Peak overshoot19. Sound intensity level, which measures the loudness of a sound perceived by human ear is measured in power. A.True B.False
- 3. Doubling the intensity of sound: a. Doubles the sound level. b. Increases sound level by factor of 2. C. Increases sound level by 3 dB.17. Which of the following best describes the relationship between the speed of sound and the type of medium through which it travels? a. ashe lara distanee beunen b. c. Sound travels slower in solids because of the small distance between solid particles d. Sound travels slower in air because of the large distance between air particlesA tsunami can have a wavelength in water of 100 km and travel at up to speeds of 800 km/hr. So, why are they sometimes called silent killers? Group of answer choices a. the shear size of the wave blocks out any sound b. the frequency of the wave is not in the audible range c. the amplitude of the wave is small and doesn’t carry much energy d. all of the above
- 9. Longitudinal mechanical waves can pass throughA. solids. B. liquids. C. gases. D. All of the above.J81.noise canceling earphones are an example of A. Constructive interference B. Destructive enterference C. Beat D. Resonance 2. The difference between absolute pressure and atmospheric pressure is called A. Air pressure B. Barometric pressure C. Gauge pressure D. Hydrostatic pressure B. 3. Consider the block of wood that floats with 60% of its volume above water. (the volume of the block is 0.5 m^3) a.What volume of water did the block of wood displace? 0.2 m^3 or 0.5 m^3 b. What is the buoyant force of water on the block of wood? Choose 1960N 2940N 3920N 4900N
- 16. The sound of a loud rock concert (at 100 decibels) is how much louder than the sound of rustling leaves on the ground (at 10 decibels)? A. 10 times louder B. 90 times louder C. 100 times louder D. 110 times louder E. 1,000,000,000 times louder1. earthquake? 2. Suppose you have seats to a concert featuring your favorite musical artist. Calculate the approximate decibel level associated if a typical concerts’ sound intensity is 10-²W/m².b.strike the sea wall at B 2.a.what will happen to the water waves when they pass over shallow water at C? b.explain why this happens? 3.a.describe what would happen to the waves if a narrow gap appeared in the harbour wall. b.explain why this happens