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Which of the following statements incorrectly describes a scenario where the source of the sound waves and the person hearing the sound are remaining stationary? A. The frequency of the sound waves will remain the same to the listener. B. The frequency of the sound waves is not altering as a result of the distance between the sound source and the listener. C. The frequency of the sound waves is not affected by the nature of the medium. D. The frequency of the sound waves will change for the listener as a result of the Doppler effect.
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The following statement incorrectly describes a scenario where the source of the sound waves and the person hearing the sound are remaining stationary: The frequency of the sound waves will change for the listener as a result of the Doppler effect.
Question|Asked by zach1462
Asked 4/3/2018 11:06:41 AM
Updated 7/8/2019 2:18:16 AM
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The following statement incorrectly describes a scenario where the source of the sound waves and the person hearing the sound are remaining stationary: The frequency of the sound waves will change for the listener as a result of the Doppler effect.
Added 7/8/2019 2:18:16 AM
This answer has been confirmed as correct and helpful.
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Questions asked by zach1462
During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, A. both the intake and exhaust valves are open. B. the intake valve is open and the exhaust valve is closed. C. the exhaust valve is open and the intake valve is closed. D. both the intake and exhaust valves are closed.
Question|Asked by zach1462
Updated 1/4/2020 8:40:53 PM
1 Answer/Comment
During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, both valves will be closed.
Added 1/4/2020 8:40:53 PM
This answer has been confirmed as correct and helpful.
Which of the following is not a requirement of a practical fuel? A. It must be in the solid state to be used. B. It must contain a large amount of stored energy. C. It must occur in abundance in nature or be easy to produce. D. It must be made up of elements that combine easily with oxygen
Weegy: It must be in the solid state to be used is not a requirement of a practical fuel. User: A temperature of 20°C is equivalent to approximately Weegy: A temperature of 20 is equivalent to 68 F or 293K C/5=F-32/9. K= C+272.15 User: The main difference between turbojets and rocket engines is the fact that A. rocket engines are not dependent on oxygen from the air. B. turbojets carry their own supply of oxygen as oxidizers. C. turbojets are not dependent on oxygen from the air. D. rocket engines need oxygen from the air. Weegy: The main difference between turbojets and rocket engines is the fact that rocket engines are not dependent on oxygen from the air. (More)
Question|Asked by zach1462
Expert Answered
Asked 3/27/2018 9:24:04 PM
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20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until its pressure reaches 10 psi. What's the new volume of the gas?
Question|Asked by zach1462
Updated 210 days ago|7/1/2020 5:32:39 AM
1 Answer/Comment
20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until its pressure reaches 10 psi. The new volume of the gas is 10 cubic inches.

Solution: V2 = P1,V1 / P2; V2 = 20 × 5 / 10; V2 = 100/10; V2 = 10 cubic inches.
Added 210 days ago|7/1/2020 5:32:39 AM
This answer has been confirmed as correct and helpful.
Which of the following solid fuels has the highest heating value? A. Coke B. Lignite C. Wood D. Bituminous coal
Weegy: Bituminous coal has the highest heating value. (More)
Question|Asked by zach1462
Updated 7/30/2019 5:34:16 AM
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