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NISA [10]
3 years ago
11

What is non-point source pollution, and why is this kind of pollution hard to monitor and control?

Physics
1 answer:
antoniya [11.8K]3 years ago
7 0

The use of pesticides in farming land is example of non-point source pollution. The area of emitting of pollution is very large. That is why, it is difficult to monitor and control this type of pollution.

Americans get their water for everyday use through aquifer. Aquifers can be conserve by avoiding high amount of chemical uses and reducing household waste. Also the sustainable use of water cause conservation of natural resource.

Aquifer are basically underground water present in ground pores. The structure of aquifer just look like sponge. The water moves through the porous surfaces of the ground.

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A student walks 3 miles west and then 4 miles south to get to school the student displacement was
sattari [20]
Draw an x y axis

3 miles west is 3 miles to the left, -3
4 miles south is 4 miles down, -4

connect the the point to the origin, that side is what you are looking for 
that side is also hypotenus

using Pythagorean theorem

sqrt(-4^2 + 3^2)
sqrt(25)
5 

your displacement is 5

3 0
3 years ago
True or false the law of coservation of charge states that charge is neither created nor destroyed but transferred from one obje
Hoochie [10]
True, charge can not be created or destroyed, only transferred
8 0
3 years ago
You're in an airplane that flies horizontally with speed 1100 km/h (300 m/s ) when an engine falls off. Neglecting air resistanc
Tcecarenko [31]

Answer:

The height of the airplane is 3312.4 meters.

Explanation:

Given that,

Speed of the airplane, v = 1100 km/h = 300 m/s

It takes 26 s for the engine to hit the ground. We need to find the height of the airplane. Using second equation of motion to find it as :

h=ut+\dfrac{1}{2}at^2

Here, u = 0 and a = g

h=\dfrac{1}{2}gt^2\\\\h=\dfrac{1}{2}\times 9.8\times (26)^2\\\\h=3312.4\ m

The height of the airplane is 3312.4 meters.

5 0
4 years ago
Is the image formed on the retina real or virtual
BabaBlast [244]
It is real, however it gets inverted in the retina and flips back in the cornea
8 0
3 years ago
Read 2 more answers
PHYSICS HELP PLEASE!! MUST SHOW MATH WORK!!
SVETLANKA909090 [29]

<u>Answer:</u>

1) Distance traveled by bird = 403 meter

2)Average speed = 1.66 km /hour

3) Zcceleration = 2 m/s^2

<u>Explanation:</u>

1)  Distance traveled = Speed * Time taken = 31 * 13 = 403 meter.

2)  Average speed = Total distance covered / Time taken for that distance to cover.

    Total distance covered = 2+0.5+2.5 = 5 km

    Time taken = 3 hours

     Average speed = 5/3 = 1.66 km /hour

3)    Acceleration is defined as the rate of change of velocity, so acceleration a = change in velocity/time.

  Change in velocity = 14 - 6 = 8 m/s

   Time = 4 seconds

   So acceleration = 8 / 4 = 2 m/s^2

6 0
3 years ago
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