Answer:
0.68 m
Explanation:
We know that the speed of sound in air is a product of frequency and wavelength. Taking speed of sound in air as 340 m/s
V=frequency*wavelength
Then wavelength is given by 350/500=0.68 m
Therefore, to repeat constructive interference at the listener's ear, a distance of 0.68 m is needed
Answer:
I guess it's d because age environment heredity Nd maturation r more obvious factors if we compre with only physical fitness
Answer:B.
Both increase as the mass and velocity increase.
Answer:
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Explanation:
A is not the correct answer because the amplitude and oscillation and there is 1/2 A in oscillation
