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Amiraneli [1.4K]
3 years ago
7

In what year will there be 8 billion people in the world? 2020 2022 2024 2030

Physics
2 answers:
Morgarella [4.7K]3 years ago
6 0

Answer:

2030

Explanation:

romanna [79]3 years ago
3 0
It is projected to reach eight billion by 24-30. according to current projections the worlds population is likely to reach around nine billion by 35-50
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katrin [286]

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Here is the solution hope it helps:)

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2 years ago
If a radio wave carries information by changing the amplitude of the transmitted wave, what kind of broadcast might it possibly
mariarad [96]
Option A because those are the correct ones
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When t= 1 a stone B is thrown vertically upwards from ground level with speed 5ms (ii) find t when a and b collide
Ksju [112]

Answer:

i don't know if this is good for you but

Explanation:

ignoring frictional air resistance (drag) the speed on return is the same as when it left the ground (5 m/s but in the opposite direction).

Note: this points out a good reason for not firing live bullets into the air..they will return somewhere and at the same speed.

However, if you take into account the atmospheric drag the reurn speed will be somewhat smaller (but in the case of a bullet, probably still lethal.) Drag depends on many factors and is difficult to calculate.

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3 years ago
What energy change takes place when the cell absorbs sunlight
Tpy6a [65]

Answer:

It is called photosynthesis.

Explanation:

4 0
3 years ago
The potential at points a and b are: va = -2 v and vb = 6 v. when a 5 c charge is moved from a to b, the change in potential ene
zhenek [66]

The change in potential energy of this system is = 40 J.

<h3>What is the potential difference?</h3>

The potential difference, often known as voltage, is equal to the amount of current times the resistance. One Joule, or one Volt, of energy is required for one Coulomb of charge to flow from one place in a circuit to another.

<h3>What is the formula for potential difference?</h3>

V=Uq The change in potential energy of a charge q transported from point A to point B, divided by the charge, is what is used to determine the electric potential difference between points A and B, or VBVA. The joules per coulomb unit of potential difference is called the volt (V).

This system's potential energy changed by 40 J.

Energy = charge * potential difference

=> Energy = (8v)*5

=> Energy = 40 J

The change in potential energy of this system is = 40 J.

To know more about Potential Difference visit:

brainly.com/question/12198573

#SPJ4

6 0
1 year ago
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