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2 years ago

A total solar eclipse is visible from

Physics

2 answers:

zzz [600]2 years ago

7 0

Only within the umbra of the moon's shadow.

guajiro [1.7K]2 years ago

3 0

Answer:

b. only within the moon’s umbra.

Explanation:

Solar eclipse occurs when Moon comes between the Sun and the Earth in straight line and blocks the sunlight. A shadow of moon castes on the surface of the Earth. The region passing through the moon's umbra would view a total solar eclipse. The moon completely hides the surface of the sun. It would be visible to the people residing in the bright side of the Earth within the Umbra of the moon.

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This diagram represents the synthesis of nitrogen monoxide. Write a balanced equation of this chemical reaction. A) N2(g) + O2(g

ruslelena [56]

The only balanced equation is B.

If you look at the equation and break it down you can see that in:

$N_{2} + O_{2}$ → $2NO$

Starting from the left side of the equation there are 2 Nitrogen atoms, and 2 oxygen atoms as indicated by the subscript.

To balance the equation, the number of atoms of each element in the right side equation should be equal to left. By putting the numerical coefficient of 2, you will distribute that to each element. So you will end up with 2 nitrogen atoms and 2 oxygen atoms on the left side of the equation. Thus, the equation is balanced.

The answer again, is B.

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2 years ago

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Why is global warming a cause of concern for the environmentalists?

Svetradugi [14.3K]

Because it can pollute the air and cause wild life to eat stuff that has been contimanted by the air

7 0

2 years ago

What are the causes of mesosphere?

Rudiy27

Meteors are burning up in the mesosphere. The meteors make it through the exosphere and thermosphere without much trouble because those layers don't have much air. But when they hit the mesosphere, there are enough gases to cause friction and create heat.

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2 years ago

Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be

VMariaS [17]

Answer:

speed and acceleration of the turbine V = 80.24 m/s and a = 109.1 m/s²

Explanation:

The wind turbine describes a circular motion, with constant angular velocity, we can find the speed with the equation

V = x / t

Where x is the distance traveled which is the length of the circle (X = 2πr) and time is the time in a revolution, which in this case is called the period

t = 60/13

t = 4.62 s

x = 2 p1 59

x = 370.71 m

V = 370.1 / 4.62

V = 80.24 m / s

The centripetal acceleration is given by the equation

a = V² / r

a = 80.24²/59

a = 109.1 m / s²

The second part of the exercise seems totally independent

The dog r = 16cm with a speed of 2.5 m/s, ask us the centripetal force

F = m a

F = m (v² / r)

m = 10 mg (1g / 1000mg) 1 Kg / 1000 g) = 1 10⁻⁵ Kg

r = 16 cm (1m / 100cm) = 16 10⁻² m

F = 1 10⁻⁵ 2.5²/16 10⁻²

F = 3.91 10⁻² N

Let's calculate the relationship between the force and the weight of the drop

F / W = 3.91 10⁻² (1 10⁻⁵ 9.8)

F / W = 3.99 10 ²

See that the force of the shake is approximately 400 times greater than the weight of the drop

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3 years ago

Which is an example of an abiotic factor in a pond environment?

vesna_86 [32]

"Non-Living" things are known as "Abiotic factor" in the ecosystem.

In short, Your Answer would be: Option A) The Water

Hope this helps!

3 0

3 years ago

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