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AleksAgata [21]
3 years ago
5

Three-dimensional ____ programs allow designers to rotate designs of 3-d objects to view them from any angle.

Physics
1 answer:
notsponge [240]3 years ago
5 0
Long phrase is the blank
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What will be the length of a half wavelength dipole antenna operating at 10GHz?
iVinArrow [24]

Given :

Frequency , \nu = 10\ GHz .

To Find :

The length of a half wavelength dipole .

Solution :

Now , wavelength is given by :

\lambda=\dfrac{c}{\nu}\\\\\lambda=\dfrac{3\times 10^8\ m/s}{10\ GHz}\\\\\lambda=\dfrac{3\times 10^8}{10\times 10^9}\ m\\\\\lambda=0.03\ m\\\\\lambda=3 \ cm

Now , half length is given by :

L=\dfrac{\lambda}{2}\\\\L=\dfrac{3}{2}\ cm\\\\L=1.5 \ cm

Therefore , length of a half wavelength dipole is 1.5 cm .

Hence , this is the required solution .

4 0
3 years ago
What must the condition of the alveoli be in order for gas exchange to occur
aliya0001 [1]

Answer:

There are 5 main conditions of the alveoli for proper gaseous exchange to in the lungs.

Explanation

Alveoli is found in the lungs of mammals, birds and reptiles. It is the part of the lungs where gaseous exchange really occurs.

Alveoli has a shape of that of balloon but indeed smaller than the real balloon. It allows the passage of oxygen and carbon dioxide

The five main conditions includes:

  1. The Alveoli must have large surface to volume ratio which increase the gases that could be exchanged
  2. The wall must be thin. This can shorten diffusion distance.
  3. Alveoli must be very moist so that oxygen and carbon dioxide can pass through the solution
  4. Alveoli must be well supplied with blood
  5. Alveoli must be permeable
8 0
3 years ago
Imagine that you are sitting on a couch watching TV and that you will continue sitting on the couch watching TV until someone ch
Law Incorporation [45]

Answer:

I think the law of inertia

5 0
3 years ago
What quantity is multiplied by the hydraulic lift system of a dump truck?
kogti [31]

funny, actually, i'm a hydraulic, and pneumatic cylinder, pump, and line system mechanic, and the answer is pressure.... pressure builds up from the hydraulic pump, and then transfers through hoses to extend, and contract the cylinders by filling them with hydraulic fluid, and vice versa for contracting them.

hope this helps!

4 0
3 years ago
Read 2 more answers
Imagine a 10kg block moving with a velocity of 20m/s to the left.
lara31 [8.8K]
Kinetic energy , KE= [1/2]m*v^2

m = 10 kg
v=20m/s

KE = [1/][(10kg)(20m/s)^2 = [1/2](10kg)(400m^2/s^2) = 2000 joule

Answer: 2000 joule
3 0
3 years ago
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