Answer:
Explanation:
Given that
Frequency =172Hz
Speed of sound =344m/s
Distance from A is 8m.
The wave length λ=v/f
Therefore, λ=344/172
λ=2m
for destructive interference, the path difference must be λ/2, the equation for destructive interference
Δr = (2n + 1) λ / 2
For the first interference n = 0
Δr = λ / 2
∆r=2/2
∆r=1m
the closest you can be to speaker B and be at a point of perfectly destructive interference is 1m
Answer:
D. both have electrons that orbit the atomic nucleus in a simaler way
Explanation:
the bohrs model electrons orbit in a circular pattern were as the modern atomic model orbit in every which way
Answer:
reservoirs and flows of the carbon cycle and how human activities
explication :
Today, the carbon cycle is changing. Humans are moving more carbon into the atmosphere from other parts of the Earth system. More carbon is moving to the atmosphere when fossil fuels, like coal and oil, are burned. More carbon is moving to the atmosphere as humans get rid of forests by burning the trees.
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Answer:
100 m/s
Explanation:
here we use the wave equation which states that the velocity is equal to the product of the frequency and the wavelength.
so v = 50 × 2
v = 100 m/s
