Answer:
Engineering
Explanation:
STEM mainly incorporate knowledge from four disciplines which are:
- Science
- Technology
- Engineering
- Mathematics
The field of engineering combines concepts mainly from Science and Mathematics then with the help of technological developments using software, engineering field designs various structures and other elements that are essential to humanity.
Keywords: STEM, Science
, Technology
, Engineering
, Mathematics
Answer:
Mining would go under Industry organization.
Answer:
a) Mechanical efficiency (
)=63.15% b) Temperature rise= 0.028ºC
Explanation:
For the item a) you have to define the mechanical power introduced (Wmec) to the system and the power transferred to the water (Pw).
The power input (electric motor) is equal to the motor power multiplied by the efficiency. Thus, 
.
Then, the power transferred (Pw) to the fluid is equal to the flow rate (Q) multiplied by the pressure jump 
. So 
.
The efficiency is defined as the ratio between the output energy and the input energy. Then, the mechanical efficiency is 
For the b) item you have to consider that the inefficiency goes to the fluid as heat. So it is necessary to use the equation of the heat capacity but in a "flux" way. Calling <em>H</em> to the heat transfered to the fluid, the specif heat of the water and 
the density of the water:
![[tex]H=(5.7-3.6) kW=\rho*Q*c*\Delta T=1000kg/m^3*0.018m^3/s*4186J/(kg \ºC)*\Delta T](https://tex.z-dn.net/?f=%5Btex%5DH%3D%285.7-3.6%29%20kW%3D%5Crho%2AQ%2Ac%2A%5CDelta%20T%3D1000kg%2Fm%5E3%2A0.018m%5E3%2Fs%2A4186J%2F%28kg%20%5C%C2%BAC%29%2A%5CDelta%20T)
[/tex]
Finally, the temperature rise is:
Explanation:
150 divide by 150 and that how you do the is you what to divide together 15/ 150 you welcome have a good day is you need something else
Answer:
In the result of a earthquake, you should direct people into areas that are safe, such as places where the ground has not been broken up, and then tell people to get out of their cars and be careful. You should also have them carry any valuable items out of the car(if they have time), and then wait until the initial shocks and aftershocks are over, and then tell them to get back into their cars and then drive carefully and safely.
