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zzz [600]
4 years ago
10

This is on Savvas Realize and or Pearson Realize and I need it fast so like rn

Physics
1 answer:
yaroslaw [1]4 years ago
8 0

Answer:

Environmental Science: Your World, Your Turn provides just the right depth ... Enduring Understanding: We can use science to study and understand the ... interactions among organisms and between organisms and their environment ... Big Question: Can we depend on nonrenewable energy sources for our energy needs?

Explanation:

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At a maximum level of loudness, the power output of a 75-piece orchestra radiated as sound is 72.0 W. What is the intensity of t
FrozenT [24]

Answer:

<em> The intensity would be 0.01432 W/</em>m^{2}<em></em>

Explanation:

The sound intensity is the power that is transmitted by a sound wave per unit area.

Given that

Power output P of the 75-piece orchestra = 72.0 W

The listener's distance  r = 20.0 m

The intensity of sound waves (I) can be obtained with the expression below;

I = P/A .............. 1

where P is the power

A is the area, in this case, at the distance r the sound is radiated through  a sphere.

A = area of a sphere = 4πr^{2}

putting it into equation 1, the intensity would be;

I = P/ 4πr^{2}

Substituting our values we have;

I = 72.0 W /  4 π 20^{2} m^{2}

I = 0.01432 W/m^{2}

Therefore the intensity would be 0.01432 W/m^{2}

3 0
3 years ago
Find initial velocity and time in air​
kkurt [141]

Answer:

The answer to your question is: v = 121.46 m/s

Explanation:

Data

h = 30 m

vo = ?

dx = 300 m

Formula

t = \sqrt{\frac{2h}{g}}

speed = distance / time

Process

t = \sqrt{\frac{2(30)}{9.81}} \\

t= 2.47 s

speed = 300 / 2.47

speed = v = 121.46 m/s

6 0
3 years ago
Of the three primary forms of subaerial volcanoes, ________ are large cone-shaped mountains that consist of alternating layers o
Alborosie

Answer:

Strato-volcano

Explanation:

Strato-volcanoes are usually characterized by the presence of steep-sided slopes, with distinct craters, and are frequently erupted and conical in appearance. This type of volcano is generally felsic in nature. Due to the presence of high silica content, the magma being highly viscous, moves at a relatively slower rate. These are highly explosive and produce a large number of pyroclastic materials, lava flow, volcanic ashes, and gases.

They are also commonly considered as the composite volcano, and are comprised of alternating tephra and solidified lava layers.

5 0
3 years ago
Different objects don't heat at the same rate because they have different
Kaylis [27]
Specific heat

Let me know if you need further explanation!
7 0
3 years ago
During a heat wave, there is an increased demand for electricity to operate air conditioners. The basic design of a nuclear reac
Lelechka [254]
Given that the design is not shown, for traditional nuclear reactors with control rods, the best way to meet an increased demand for energy would be to raise the control rods so that less neutrons are absorbed.

So, the most reasonable answer to the question is B.
4 0
3 years ago
Read 2 more answers
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