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ankoles [38]
4 years ago
7

What’s the difference between red blood cells and white blood cells

Physics
2 answers:
Lerok [7]4 years ago
4 0
Red blood cells contain hermoglobin whiles white blood cells do not. Hermoglobin is what gives it its red color.
mixas84 [53]4 years ago
4 0
Red blood cells contain hermoglobin whiles white blood cells do not. Hermoglobin is what gives it its red color.
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What force pulls the moon towards the earth?
yawa3891 [41]
Gravity pulls the moon towards the earth.
3 0
3 years ago
Replacing an object attached to a spring with an object having 14 the original mass will change the frequency of oscillation of
Pachacha [2.7K]

Answer:

<em>The frequency changes by a factor of  0.27.</em>

<em></em>

Explanation:

The frequency of an object with mass m attached to a spring is given as

f = \frac{1}{2\pi } \sqrt{\frac{k}{m} }

where f is the frequency

k is the spring constant of the spring

m is the mass of the substance on the spring.

If the mass of the system is increased by 14 means the new frequency becomes

f_{n} = \frac{1}{2\pi } \sqrt{\frac{k}{14m} }

simplifying, we have

f_{n} = \frac{1}{2\pi \sqrt{14} } \sqrt{\frac{k}{m} }

f_{n} = \frac{1}{3.742*2\pi  } \sqrt{\frac{k}{m} }

if we divide this final frequency by the original frequency, we'll have

==> \frac{1}{3.742*2\pi  } \sqrt{\frac{k}{m} }  ÷  \frac{1}{2\pi } \sqrt{\frac{k}{m} }

==> \frac{1}{3.742*2\pi  } \sqrt{\frac{k}{m} }  x  2\pi \sqrt{\frac{m}{k} }

==> 1/3.742 = <em>0.27</em>

7 0
3 years ago
In a parallel circuit the component with the highest resistance will have a low electric current.
statuscvo [17]
Should be true.

it's been awhile since I was learning this
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3 years ago
3. Looking at the image below label the areas of highest and lowest kinetic energy of both gravitational potential
MArishka [77]

Explanation:

max potential your welcome i love helping outhers :)

8 0
3 years ago
Real-world efficiencies are generally very high, in the 90 percent range. Please select the best answer from the choices provide
Vesna [10]

Answer:

i think it truth

Explanation:

4 0
4 years ago
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