Plz help An X-ray technician will place a lead cloth over parts of your body when taking an X-ray to protect your cells from bei
ng damaged. Why do X-rays have the potential to harm your body but radio waves do not?
Question 6 options:
a.X-rays have a taller wavelength than radio waves as shown in the diagram, so they are more harmful.
c.Radio waves have longer wavelengths than X-rays and therefore carry more energy than X-rays.
c.Radio waves are shorter than X-rays and therefore weaker in strength..
d.X-rays have a much shorter wavelength than radio waves, and therefore carry more energy that can be transferred to your body.
Question 6 options:
a.X-rays have a taller wavelength than radio waves as shown in the diagram, so they are more harmful.
c.Radio waves have longer wavelengths than X-rays and therefore carry more energy than X-rays.
c.Radio waves are shorter than X-rays and therefore weaker in strength..
d.X-rays have a much shorter wavelength than radio waves, and therefore carry more energy that can be transferred to your body.
2 answers:
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Answer:
Explanation:
The heaviside function is defined as:
so we see that the Heaviside function "switches on" when, and remains switched on when
If we want our heaviside function to switch on when , we need the argument to the heaviside function to be 0 when
Thus we define a function f:
The term inside the heaviside function makes sure to displace the function 5 units to the right.
Now we just need to add a scale up factor of 240 V, because thats the voltage applied after the heaviside function switches on. ( when
, so it becomes just a 1, which we can safely ignore.)
Therefore our final result is:
I have made a sketch for you, and added it as attachment.
The amount of water needed is 287 kg
Explanation:
The amount of energy that we need to produce with the power plant is
We also know that the power plant is only 30% efficient, so the energy produced in input must be:
The amount of water that is needed to produce this energy can be found using the equation
where:
m is the amount of water
is the specific heat capacity of water
is the increase in temperature
And solving for m, we find:
Learn more about specific heat capacity:
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