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Makovka662 [10]
2 years ago
12

TRUE or FALSE: During a collision between objects of different mass, there is a greater force applied to the less massive object

.
Physics
1 answer:
ddd [48]2 years ago
4 0
If they are moving at the same speed then it would be true because the larger object would have more mass and would have more momentum then the smaller object that has less mass! Hope this helps!
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By what factor is the intensity of sound at a rock concert louder than that of a whisper when the two intensity levels are 120 d
Kipish [7]

Answer:

The intensity of sound at a rock concert is louder than that of a whisper by a factor of 1 x 10¹⁰

Explanation:

Given;

rock concert sound intensity level, β₁ = 120 dB

whisper sound intensity level, β₂ = 20 dB

The sound intensity level is given as;

\beta = 10Log(\frac{I}{I_o} )\\\\

where;

I₀ is the threshold sound intensity of hearing = 10⁻¹² W/m²

I is the sound intensity

Intensity of sound at rock concert ;

120 =  10Log(\frac{I}{10^{-12}} )\\\\12 =  Log(\frac{I}{10^{-12}} )\\\\10^{12} = \frac{I}{10^{-12}}\\\\I = 10^{12}  * 10^{-12}\\\\I = 10^0\\\\I = 1 \ W/m^2

The intensity of sound of a whisper;

20 =  10Log(\frac{I}{10^{-12}} )\\\\2 =  Log(\frac{I}{10^{-12}} )\\\\10^{2} = \frac{I}{10^{-12}}\\\\I = 10^{2}  * 10^{-12}\\\\I = 10^{-10} \ W/m^2\\\\

Determine the factor by which the intensity of sound at a rock concert louder than that of a whisper

\frac{I_{Concert}}{I_{whisper}} = \frac{1}{10^{-10}} \\\\\frac{I_{Concert}}{I_{whisper}} = 1 * 10^{10}\\\\I_{Concert} = 1 * 10^{10}*I_{whisper}

Therefore, the intensity of sound at a rock concert is louder than that of a whisper by a factor of 1 x 10¹⁰

3 0
3 years ago
Which planets are the most dense?
Marizza181 [45]
Hey there!

Here is your answer:

<u><em>The proper answer to this question is "Earth, and Mercury".</em></u>

Reason:

<u><em>Mercury</em></u><span><u><em> has a density of 5.427 g/cm³</em></u>
<u><em>&</em></u>
</span><span><u><em>Earth has a density of 5.515 g/cm^3</em></u></span><u><em /></u>

<em>Therefore the dense planet is Earth.</em>

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit
6 0
3 years ago
A raindrop falls to the ground from a rain cloud at an altitude of 3000 meters.
shutvik [7]

Assuming the raindrop was stationary relative to the vertical distance to the ground at the start:

D=0.5at where d is distance, a is acceleration and t is time

D is 300 meters

a is 9.8 meter/sec squared

Solve for t in seconds

t = 61.2 seconds

v=at where v is velocity

a is 9.8 meters per second squared

t is 61.2 seconds

solve for v

v = 600 meters per second.

If it had an initial vertical velocity (v0) at the start :

d= 0.5at+v0t

and

v=at+v0

8 0
2 years ago
When carbon dioxide undergoes deposition it forms a substance called what?
sergiy2304 [10]
dry ice is your answer hope this helps
6 0
3 years ago
Read 2 more answers
The bohr Effect states that the lower the ph,?
Oksana_A [137]

Answer:

Explanation:

The Bohr effect describes how low pH (acidity) lowers the affinity of hemoglobin for oxygen, making hemoglobin more likely to offload oxygen in areas of low pH, which for reasons I'll get into, tissues in need of oxygen tend to have.

5 0
2 years ago
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