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ale4655 [162]
4 years ago
15

Why should antibiotics be given to a person who is ill with a bacterial disease like strep throat, but NOT to a person who has a

viral disease like measles?
Antibiotics kill bacteria but not viruses.

Antibiotics make viruses grow faster.

Antibiotics are made by viruses.

Viruses are not living things.

If you guys dont mind can you please help me with this one
Physics
2 answers:
Alenkasestr [34]4 years ago
8 0
Antibiotics only kill bacteria, not viruses. Therefore, the answer is A.

When you get the common cold, you can't take antibiotics to be cured. The common cold is a virus.
Liono4ka [1.6K]4 years ago
8 0

Answer:

b

Explanation:

antibiotics are made with viruses so that ou body can get immune to the virus

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Problem #3: 3.6. A diode has wdo = 0.4 µm and φj = 0.85 V. (a) What reverse bias is required to triple the depletion-layer width
Alchen [17]

Answer:

a) 6.8 Volt

b) 1.21Цm

Explanation:

We are given from the question that

   The zero -bias depletion layer width(W_{do}) is 0.4Цm

  The built in voltage φj  is 0.85V

Now to calculate the reverse voltage( V_{R}) that would be required  to triple the depletion - layer width.

  The depletion - layer width (W_{d}) of the diode has the formula

                          W_{d} = W_{do} \sqrt{1 + \frac{V_{R} }{Qj} }

    For three times of   W_{d} we have

        3W_{d} = W_{do} \sqrt{1 +\frac{V_{R} }{Qj} }

         =>      \frac{V_{R} }{Qj} = 3^{2} -1

        => V_{R} = 8Qj

        Substituting value of φj

       We have

                         V_{R} = 8(0.85V)

                               =   6.8 V

The required bias voltage  V_{R} is  6.8 V

   The solution for the b part of the question is uploaded on first image

7 0
3 years ago
If a lever has an input arm of 80 cm and an output arm of 20 cm, what is its ideal mechanical advantage?
Alexeev081 [22]

Answer:

16

Explanation:

6 0
2 years ago
What is the specific heat of water? A. 1.00 J/gºC
Leona [35]

Answer:

B 4.18J\g degree C is the specific heat of water

7 0
2 years ago
a 0.05-kg starts from rest at a height of 0.95m. assuming no friction, what is the kinetic energy of the car when it reaches the
Alex73 [517]
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3 years ago
A 60 cm diameter wheel accelerates from rest at a rate of 7 rad/s2. After the wheel has undergone 14 rotations, what is the radi
Mamont248 [21]

Answer:

a=368.97\ m/s^2

Explanation:

Given that,

Initial angular velocity, \omega=0

Acceleration of the wheel, \alpha =7\ rad/s^2

Rotation, \theta=14\ rotation=14\times 2\pi =87.96\ rad

Let t is the time. Using second equation of kinematics can be calculated using time.

\theta=\omega_it+\dfrac{1}{2}\alpha t^2\\\\t=\sqrt{\dfrac{2\theta}{\alpha }} \\\\t=\sqrt{\dfrac{2\times 87.96}{7}} \\\\t=5.01\ s

Let \omega_f is the final angular velocity and a is the radial component of acceleration.

\omega_f=\omega_i+\alpha t\\\\\omega_f=0+7\times 5.01\\\\\omega_f=35.07\ rad/s

Radial component of acceleration,

a=\omega_f^2r\\\\a=(35.07)^2\times 0.3\\\\a=368.97\ m/s^2

So, the required acceleration on the edge of the wheel is 368.97\ m/s^2.

6 0
3 years ago
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