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aniked [119]
3 years ago
13

Sound wave a has lower frequency than sounds wave b but both waves have the same amplitude . What must also be true of these two

waves ?
Chemistry
2 answers:
Nady [450]3 years ago
8 0

Explanation:

Higher the frequency smaller will be the wavelength. Higher frequency have shorter wavelength and lower frequency waves have larger wavelength. Also, Beats are formed by the superposition of two waves with slightly different frequencies but with similar amplitudes. In time, waves switch between constructive interference and disruptive interference, giving the resultant wave a time-varying amplitude.

alina1380 [7]3 years ago
4 0

Answer:

Wave A has a lower pitch

Explanation:

I got it right

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Answer:Answer: (B) Archaebacteria

Explanation:

Explanation: Archaebacteria, like all prokaryotes, have no membrane bound organelles. This means that the archaebacteria are without nuclei, mitochondria, endoplasmic reticula, lysosomes, Golgi complexes, or chloroplasts. Because these organisms have no nucleus, the genetic material floats freely in the cytoplasm

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3 years ago
How many grams of C are there in 0.234 moles of caffeine?
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2 years ago
The molar heat capacity of an unknown substance is 92.1 J/mol-K. If the unknown has a molar mass of 118 g/mol, what is the speci
dlinn [17]

Answer : The specific heat (J/g-K) of this substance is, 0.780 J/g.K

Explanation :

Molar heat capacity : It is defined as the amount of heat absorbed by one mole of a substance to raise its temperature by one degree Celsius.

1 mole of substance releases heat = 92.1 J/K

As we are given, molar mass of unknown substance is, 118 g/mol that means, the mass of 1 mole of substance is, 118 g.

As, 118 g of substance releases heat = 92.1 J/K

So, 1 g of substance releases heat = \frac{92.1}{118}=0.780J/g.K

Thus, the specific heat (J/g-K) of this substance is, 0.780 J/g.K

8 0
3 years ago
Light shining from the surface of Mars would take about 182 seconds to reach Earth. Light travels through space at 186,282 miles
Sergeeva-Olga [200]
The distance light travels in 1 second - <span>186,282 miles
Therefore distance it takes to travel within 182 seconds - </span><span>186,282 miles/second x 182 seconds 
Therefore to find the answer we need to </span>multiply the distance it travels within a second with the amount of seconds it takes 
correct answer is A) <span>186,282 ⋅ 182</span>
5 0
3 years ago
Read 2 more answers
What is the difference between random decay and theoretical?
denis-greek [22]

Answer:

Spontaneous and random. Decay is called spontaneous because the occur on their own and are unaffected by external factors like temperature, pressure, and many more. Decay is called random because we cannot determine the rate at which it decays but can only determine the probability of the decay.Oct 21, 2015

Explanation:

7 0
2 years ago
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