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4vir4ik [10]
4 years ago
5

What are the three types of seismic waves? which one does the most damage to property?

Physics
1 answer:
galben [10]4 years ago
6 0

<span>In an earthquake, three basic types of seismic waves are created: </span>P-waves<span>, </span>S-waves<span> and surface waves. P-waves or primary / pressure wave and S-waves or secondary / shear wave are collectively called body waves.  But t<span>he surface waves does the most damage to property as it <span>can be much larger in </span><span>amplitude.</span></span></span>

<span><span><span /></span>
</span>

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G of potassium reacts with 16 g of oxygen to produce 94 g of potassium oxide
Vanyuwa [196]

Answer:

78g

Explanation:

Given parameters:

Mass of oxygen gas = 16g

Mass of potassium oxide = 94g

Unknown:

Mass of reacting potassium = ?

Solution:

To solve this problem, we need to obtain a balanced reaction equation. Then determine the number of moles of the reactant and use it to find that of the other one.

Balanced equation:

                      4K +   O₂   →    2K₂O

  Number of moles of reacting oxygen;

       Number of moles = \frac{mass}{molar mass}

molar mass of  O₂ = 2 x 16 = 32g/mole

     Number of moles = \frac{16}{32}  = 0.5mole

From the reaction equation;

          4 mole of K reacted with 1 mole of O₂;

           x mole of K will react with 0.5 mole of O₂

Therefore, 4 x 0.5 = 2 moles of potassium.

Mass of potassium = number of moles x molar mass

              Molar mass of potassium = 39g

Mass of potassium = 2 x 39 = 78g

5 0
3 years ago
1. Choose two forces and compare and contrast these forces. You must provide two ways that they are alike and two ways that they
Helen [10]

Answer:

what are the forces ?  :l

Explanation:

7 0
3 years ago
Read 2 more answers
Discuss what it means to view a moving objectt from a frame of reference. Supply an example that illustrates your explanation.
tekilochka [14]
<u><em>what is frame of reference:</em>
</u><span>it is set of fixed points which are inter related on the basis of rest and motion..,, or an explanation of what an observer is doing..
</span><u><em>examples:</em>
</u><span>1 ,, if you are in motion and observing something then frame of reference is motion... and if you are at rest then frame of motion is rest...
</span><span>2 frame of reference may be place like if a passenger is sitting in a car then he is in motion with respect to the ground but he is at rest with respect to the car in which he is sitting ...
</span><span>3 also if a passenger is in car and he is tossing a coin and you are on the ground  ,, then for passenger it is in vertical motion but for you it is in parabolic arc .. hence there are two different views for two persons for the same thing i.e coin... :)</span>
5 0
3 years ago
The density of gold is 19g/m³ what is the volume of 38g​
Pavlova-9 [17]

let the volume be x

19 = 38/x

x=38/19

x=2

volume is 2 cm^3

6 0
3 years ago
HELP PLEASE!!!
enyata [817]

The power in watts is the energy in Joules used per second. This is:

P [W] = E[J] / t[s]

Solving for Energy:

E = P*t

We must convert the time to seconds knowing that 1 min = 60 s:

t = 6 min × 60 = 360 s

Finally:

E = P*t

E = 133 W * 360 s

E = 47880 J

<h2>The work of the runner is 47880 J</h2>
5 0
3 years ago
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