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Vesnalui [34]
3 years ago
15

The rate of deforestation to create new buildings and farmland has increased over the last 100 years. What effect could this hav

e on the atmosphere in the future? an increase in carbon dioxide a decrease in oxygen an increase in oxygen a decrease in carbon dioxide an increase in air pollution
Physics
1 answer:
beks73 [17]3 years ago
8 0
The answers are              hope this helps and name me the brainlist plz

a decrease in oxygen

an increase in carbon dioxide

an increase in air pollution
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Một cần trục có trọng lượng Q = 50 kN cẩu vật nặng có trọng lượng P = 10 kN
lesantik [10]

5

3373727227717177

Explanation:

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2 years ago
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A circuit with resistive elements of 220, 100, 57, and 43 produce what total resistance?
Korvikt [17]

The total resistance is 420 ohm.

A circuit with resistive elements of 220, 100, 57, and 43 produce what total resistance  

 R= 220+ 100+ 57+ 43

    = 420 Ω

What is resistance and its types?

Resistance is a measure of the opposition to current flow in an electrical circuit also known as ohmic resistance or electrical resistance. Ohms are measured as resistance, symbolized by the Greek letter omega (Ω). The ratio of the applied voltage to the current through the material is then known as resistance.

What causes resistance?

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8 0
1 year ago
The force involved in falling of an apple from a tree is known as? (a) Magnetic force (b) electrostatic force (c) Contact force
musickatia [10]

Answer:

gravitational force

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6 0
2 years ago
Define average velocity.Immersive Reader
vagabundo [1.1K]

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The slope of a graph of position vs time

4 0
3 years ago
Two wires each carry 10.0 A of current (in opposite directions) and are 2.50 mm apart. What is the magnetic field 37.0 cm away a
lyudmila [28]

Answer:

see answer below

Explanation:

Before we do any kind of calculation, we need to convert the proper units of the exercise. All the units of distance must be in meters, so, let's change distance of the wire, and the magnetic field to meters:

Separation between the wires are 2.5 mm:

2.5 mm * (1 m / 1000 mm) = 0.0025 m

The distance of P from the bottom of the wires is 37 cm:

37 cm * (1 m/100 cm) = 0.37 m

The distance of P from the top of the wires is just the sum of the two distances:

R = 0.37 + 0.0025 = 0.3725 m

Now that we have the distance, we can determine the magnetic field, using the following expression:

B = B(bottom) - B(top)   or just B₂ - B₁

And B = μ₀ I / 2πR

Replacing in the above expression we have:

B = μ₀ I / 2π ( 1/R₂ - 1/R₁)

Now we can determine the magnetic field:

B = (4πx10⁻⁷ * 10 / 2π) (1/0.37 - 1/0.3725)

<h2>B = 3.63x10⁻⁸ T</h2><h2></h2>

Which means that the magnetic field is out of the page.

Hope this helps

4 0
3 years ago
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