A sound wave enters a new medium where sound travels faster. How does this affect the frequency and wavelength of the sound? A.
The frequency increases and the wavelength decreases.
B.
The frequency decreases and the wavelength increases.
C.
The frequency stays the same and the wavelength increases.
D.
The frequency stays the same and the wavelength decreases.
E.
Neither the frequency nor the wavelength is affected.
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Scientists and engineers design new technologies to solve problems. often, a new technological design will contain a flaw. which of the following is true about such a flaw? a. it should be studied so that the design can be fixed or a new design can be proposed. b. it means that the problem being investigated cannot be solved. c. it means that the people who proposed the design should not be scientists or engineers. d. it makes the technological design useless.