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wariber [46]
3 years ago
6

Identify at least two ways in which heavy rain can affect the efficiency of

Physics
1 answer:
Komok [63]3 years ago
4 0
Rain water that mixes with sewage has two effects on treatment plant performance. The first issue is that it thins out the concentration of sewage. This may sound like a good thing but it's not. Wastewater treatment is a biological process and like everything that involves living things it requires a regular food supply to survive. If you thin out the food supply you can expect the biology to perform poorly. Even so, this generally doesn't cause significant problems. Instead it just makes normal performance a little worse then returns to normal once the flow goes back down.

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An elevator filled with passengers has a mass of 1603 kg. (a) The elevator accelerates upward from rest at a rate of 1.20 m/s2 f
Galina-37 [17]

Answer:

T = 17649.03 N = 17.65 KN

Explanation:

The tension in the cable must be equal to the apparent weight of the passenger. For upward acceleration:

T = W_A = m(g+a)\\

where,

T = Tension in cable = ?

W_A = Apparent weight

m = mass = 1603 kg

g = acceleration due to gravity = 9.81 m/s²

a = acceleration of elevator = 1.2 m/s²

Therefore,

T = (1603\ kg)(9.81\ m/s^2+1.2\ m/s^2)\\\\

<u>T = 17649.03 N = 17.65 KN</u>

8 0
3 years ago
During a solar eclipse our tiny moon totally blocks the sun because of .....
Vaselesa [24]

During a total solar eclipse, the moon passes between Earth and the sun. This completely blocks out the sun’s light. However, the moon is about 400 times smaller than the sun. How can it block all of that light?

4 0
3 years ago
a car travels 10 miles east in 30 minutes. what is its velocity in miles per hour. what is its velocity in miles per hour?
nika2105 [10]

Answer:

popu

Explanation:

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8 0
3 years ago
Do any of the galaxies appear to be closer to each other as your universe expands? What does this say about the possibility of g
Luda [366]

Explanation:

In local galactic group the force of expansion of universe is overcome by the force of attraction due  to gravity. Best example is our own galaxy milky way and another giant galaxy in our local group Andromeda. Andromeda having enormous gravity is pulling milky way towards itself, overcoming the force of expansion.

So, there  are possibilities of collision despite the expansion of universe at a rapid pace. It is estimated that the milky way and Andromeda will collide each other after about 50 billion years from now.  

8 0
3 years ago
Which statement best reflects a change in climate? It's very windy today and will rain later. Droughts in California have become
qwelly [4]
The first one it's very windy today and will rain later.
5 0
3 years ago
Read 2 more answers
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