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Alik [6]
4 years ago
11

Tornadoes have caused widespread damage in different parts of the United States of America. Some methods to prevent damages due

to tornadoes are stated below.
Method 1: Restrict personal travel to areas which have had tornadoes in the past.
Method 2: Use more advanced techniques to predict tornadoes.

Which of these statements best compares the two methods to prevent damages due to tornadoes?

Select one:
a. Method 1 is more expensive than Method 2.
b. Method 2 is more practical than Method 1.
c. Method 2 is harder to implement than Method 1.
d. Method 1 causes less damage to the environment than Method 2.
Physics
2 answers:
mestny [16]4 years ago
7 0
I believe the answer is B. <span> Method 2 is more practical than Method 1.
Even though method 1 sound simple, it is almost impossible to be implemented. If we follow method 1, we practically shall abandon all territories in midwest such </span>as Nebraska, Iowa,  Kansas, Missouri, , and South Dakota. (which is the most prone of tornadoes), such <span>

</span>
Paraphin [41]4 years ago
6 0

The answer is <u>B</u>) ''Method 2 is more practical than Method 1.''




Hope this helps...

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A standard gold bar stored at Fort Knox, Kentucky, is 7.00 inches long, 3.63 inches wide, and 1.75 inches tall. Gold has a densi
Over [174]

Answer:

14.1 kg

Explanation:

Given:

Length=7.00inches

Width=3.63 inches

Height=1.75 inches

density = 19,300 kg/m3.

We can convert the given parameters to metre for unit consistency

But we know 1 inches= 0.0254 metre

✓Then Length l=7.00inches

=7×0.0254 metre=0.1778m

✓Width w =3.63 inches

==3.63 ×0.0254 metre=0.092m

✓Height h =1.75 inches

=1.75 ×0.0254 metre=0.0445 m

But Mass= density × volume

Volume= Length× width×height

Mass= density× Length× width×height

= 19300kg/m³×0.1778×0.0922×0.0445

=14.1 kg

Therefore, the mass of the gold bar is 14.1 kg

6 0
4 years ago
A penny rides on top of a piston as it undergoes vertical simple harmonic motion with an amplitude of 4.0cm. If the frequency is
nadezda [96]

Answer:

in the downward movement of the movement when the constant is lost

Explanation:

When the coin is on the piston it has a relationship given by

       a = d²x / dt²

the piston position is

      x = A cos wt

      a = - A w² cos wt

the maximum acceleration is

     a = - A w²

When the piston raises the acceleration of gravity and that of the piston go in the same direction, when the piston descends they relate it is contrary to gravity, therefore when the frequency increases, the point where the acceleration of the piston is greater than gravity arrives and the coin loses contact.

The point where you lose contact is

      a = g

      g = A w²

In short, in the downward movement of the movement when the constant is lost

7 0
3 years ago
If the diameter of the black marble is 3.0cm, and bye using the formula for volume, what is a good approximation if it’s volume?
tia_tia [17]

Complete question is;

If the diameter of the black marble is 3.0 cm, and by using the formula for volume, what is a good approximation of its volume?

Answer:

14 cm³

Explanation:

We will assume that this black marble has the shape of a sphere from online sources.

Now, volume of a sphere is given by;

V = (4/3)πr³

We are given diameter = 3 cm

We know that radius = diameter/2

Thus; radius = 3/2 = 1.5 cm

So, volume = (4/3)π(1.5)³

Volume ≈ 14.14 cm³

A good approximation of its volume = 14 cm³

4 0
4 years ago
Which of the following is how the substance in a longitudinal wave flows?
cricket20 [7]

Answer:

The answer is <em>D. In the direction of the wave</em>

Explanation:

I took the test, hope this helps! :)

3 0
3 years ago
What are cirrus.cirrostratus. And cirrocumulus clouds made up of
Irina-Kira [14]
<span><span>1.       </span>All clouds are made up of tiny ice crystals or small water droplets that form together with a dust on the atmosphere.
Cirrus, cirrostratus and cirrocumulus are made up of ice crystals. It forms when the water vapor goes condensation at high altitudes in where the pressure on the atmosphere reaches the point from 600 mbar at 4000 meter above the sea level up to 200mbar at 12 000m above sea level. These clouds form thunderstorms, cyclones and contrails (a manmade cloud).</span> <span>

</span>



3 0
4 years ago
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