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Sergio [31]
2 years ago
12

What is environmental?

Physics
1 answer:
Leni [432]2 years ago
6 0

Answer:

Environmental means relating to or caused by the surroundings in which someone lives or something exists. It protects against environmental hazards such as wind and sun. The form the human family takes is a response to environmental pressures.

Explanation:

I HOPE IT HELPS!!

THANX!!!

STAY SAFE!!!!

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Which of the following statements about the force on a charged particle due to a magnetic field are not valid?
Vinil7 [7]
The correct answer is "None of the above; all of these statements are valid." All the statements namely, it depends on the particle's charge, it depends on the strength of the external magnetic field, it depends on the particle's velocity, and it acts at right angles to the direction of the particle's motion are all valid. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 
5 0
4 years ago
Two samples of water are mixed together.
Anon25 [30]
<h3><u>Answer;</u></h3>

A.75°C

<h3><u>Explanation</u>;</h3>

Let the change in temp of cold water be  x degrees,

while that of  hot water be 100 - x degrees.

Heat exchange =  mcΔt

Ice

Δt = x

m = 0.50 kg

c = 4.18 kJ/kg*°C

Hot water

Δt = 100 - x

m = 1.5 kg

c = 4.18

But;

Heat lost = heat gained

0.50 * c * x = 1.5 * c * (100 - x)          

0.50 *x = 1.5*(100 - x)                          

0.5x = 150 - 1.5x                                  

0.5x + 1.5x = 150 - 1.5x + 1.5x            

2x = 150                                              

x = <u>75° C</u>

Hence; the equilbrium temperature will be 75° C

7 0
3 years ago
What is the net force of this object ?<br><br>22newtons<br>36 Newtons<br>0 newtons<br>8 newtons
antiseptic1488 [7]
There is no net vertical force.
The 20N upward is exactly balanced by the 20N downward.

There IS a net horizontal force.
(22N to the right) + (14N to the left)  =  8 N to the right.

The net force acting on this object is 8 newtons to the right. 
4 0
3 years ago
Read 2 more answers
In two or more sentences describe the impact of fossil fuel combustion on the global carbon cycle. In three sentences or less ex
Nuetrik [128]
For many solids<span> dissolved in liquid water, the </span>solubility increases<span> with </span>temperature<span>. The </span>increase<span> in kinetic energy that comes with </span>higher temperatures<span> allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.</span>
8 0
3 years ago
Read 2 more answers
What is the frequency of an X-ray with wavelength 0.13 nm ? Assume that the wave travels in free space. Express your answer to t
dem82 [27]

Answer:

Frequency, f=2.30\times 10^{18}\ Hz

Explanation:

Given that,

The wavelength of the x-rays, \lambda=0.13\ nm=0.13\times 10^{-9}\ m

We need to find the frequency of an x-ray. All electromagnetic wave travel with a speed of light. It is given by the formula as :

c=f\lambda

f is the frequency

f=\dfrac{c}{\lambda}\\\\f=\dfrac{3\times 10^8}{0.13\times 10^{-9}}\\\\f=2.30\times 10^{18}\ Hz

So, the frequency of an x-ray is 2.30\times 10^{18}\ Hz. Hence, this is the required solution.

5 0
3 years ago
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