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4 years ago

How does a virus make it into a cell and what happens to it as it tries to get to its target “The Nucleus”?

1 answer:

4 0

Once the virus gets into the host's body, it enters the nearest cell.Once it gets to the nucleus it turns that cell into a virus-production cell and once the immune system detects those viruses it takes action.

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Current I flows along the positive z-direction in the inner conductor of a long coaxial cable and returns through the outer cond

PtichkaEL [24]

Answer:

A) determine magnetic fields

For 0 ≤ r ≤ a

Magnetic field = ∅ $\frac{rI}{2\pi a^2}$

For a ≤ r ≤ b

Magnetic field = ∅ $\frac{I}{2\pi r}$

For b ≤ r ≤ c

Magnetic field in the region = ∅ $\frac{I}{2\pi r} [ c^2 - r^2 / c^2-b^2 ]$

For r ≥ c

magnetic filed in the region = 0

B ) attached below

Explanation:

<u>A) Determine the magnetic field in the following regions</u>

i) For 0 ≤ r ≤ a

Magnetic field = ∅ $\frac{rI}{2\pi a^2}$

attached below is the detailed solution

ii) For a ≤ r ≤ b

Magnetic field = ∅ $\frac{I}{2\pi r}$

attached below is the detailed solution

iii) For b ≤ r ≤ c

Magnetic field in the region = ∅ $\frac{I}{2\pi r} [ c^2 - r^2 / c^2-b^2 ]$

attached below is the detailed solution

iv) For r ≥ c

magnetic filed in the region = 0 and this is because the net current enclosed in the region = 0

5 0

3 years ago

A baseball with mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it has a drag force of 0.4 N acti

Tju [1.3M]

Answer:

It is -7.0 m/s2

Explanation:

Just did it

3 0

2 years ago

Which type of reaction is modeled by this chemical equation HELP ASAP!!!! REALLY IMPORTANT!!!

Ksju [112]

Answer:

i think single replacement is the answer

3 0

3 years ago

Read 2 more answers

When would you use a compound microscope?

Vladimir [108]

a compound microscope is used for viewing samples at high magnification<span> 40 - 1000x, which is achieved by the combined effect of two sets of lenses: the ocular lens in the eyepiece and the objective lenses close to the sample.</span>

8 0

3 years ago

A potter spins his wheel at 0.98 rev/s. The wheel has a mass of 4.2 kg and a radius of 0.35 m. He drops a chunk of clay of 2.9 k

Bad White [126]

Answer:

$v_{f,w} = 1.791\,\frac{m}{s}$ , $v_{f,c} = 0.972\,\frac{m}{s}$

Explanation:

The situation can be modelled by applying the Principle of Angular Momentum Conservation:

$I_{w} \cdot \omega_{o} = (I_{w} + I_{c})\cdot \omega_{f}$

The final angular speed is:

$\omega_{f} = \frac{I_{w}}{I_{w}+I_{c}}\cdot \omega_{o}$

$\omega_{f} = \left(\frac{\frac{1}{2}\cdot (4.2\,kg)\cdot (0.35\,m)^{2} }{\frac{1}{2}\cdot (4.2\,kg)\cdot (0.35\,m)^{2} + \frac{1}{2}\cdot (2.9\,kg)\cdot (0.19\,m)^{2}}\right)\cdot (0.98\,\frac{rev}{s} )\cdot \left(\frac{2\pi\,rad}{1\,rev} \right)$

$\omega_{f} \approx 5.116\,\frac{rad}{s}$

The tangential velocities of the wheel and the clay are, respectively:

$v_{f, w} = (0.35\,m)\cdot (5.116\,\frac{rad}{s} )$

$v_{f,w} = 1.791\,\frac{m}{s}$

$v_{f, c} = (0.19\,m) \cdot (5.116\,\frac{rad}{s} )$

$v_{f,c} = 0.972\,\frac{m}{s}$

5 0

3 years ago