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2 years ago

What changes as you descend through the water column

1 answer:

4 0

As someone descends through a water column, the pressure increases. This happens because water at higher levels exerts weight on the lower layers of water.

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What is the frequency, in hertz, of an electromagnetic wave with a wavelength of 625 nm?

Reika [66]

Answer:- Frequency is $4.80*10^1^4Hz$ .

Solution:- The wavelength of electromagnetic radiation is given as 625 nm and we are asked to calculate the frequency. Frequency is inversely proportional to the wavelength and the formula used to calculate frequency when wavelength is given is:

$\nu =\frac{c}{\lambda }$

where, $\nu$ is frequency, c is speed of light and $\lambda$ is the wavelength.

Value of speed of light is $\frac{3.0*10^8m}{s}$ . We need to convert the given wavelength from nm to m.

$1nm=10^-^9m$

So, $625nm(\frac{10^-^9m}{1nm})$

= $6.25*10^-^7m$

Let's plug in the values in the formula and calculate the frequency:

$\nu =\frac{3.0*10^8m.s^-^1}{6.25*10^-^7m}$

= $4.80*10^1^4s^-^1$ or Hz.

So, the frequency of the electromagnetic wave is $4.80*10^1^4Hz$ .

6 0

3 years ago

any time an energy conversion takes place, some of the original energy is converted to which one of the following?

Charra [1.4K]

Answer:

Thermal energy.

Explanation:

Anytime energy transfers between 2 places or things some of it is 'wasted' as thermal energy (heat). This could be by friction or a change in temperature from a reaction. We say it is wasted because this heat energy serves no purpose.

3 0

2 years ago

Classify the following reaction.

Klio2033 [76]

Answer:

Explanation:

combustion reacts with oxygen

7 0

3 years ago

What class of enzyme catalyzes addition of oxygen?

bulgar [2K]

Answer:

The answer is Lyase

Explanation:

Any enzyme that catalyzes the addition or removal of the elements water (hydrogen, oxygen), ammonia (nitrogen, hydrogen), or carbon dioxide (carbon, oxygen) at double bonds, as defined in physiology. Decarboxylases, for example, remove carbon dioxide from amino acids, while dehydrases eliminate water.

8 0

2 years ago

What does this graph represent?<br> A. speed<br> B. velocity<br> C. acceleration<br> D. momentum?

Llana [10]

I think that it might represent Velocity

5 0

2 years ago