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kykrilka [37]
3 years ago
13

Why do we have seasons? Give 3 reasons.

Physics
1 answer:
WARRIOR [948]3 years ago
6 0
The tilt of the Earth's AXIS is the most important reason why seasons occur. We have hot summers and cold winters because of the tilt of the Earth's axis. The tilt of the Earth means the Earth will lean towards the Sun (Summer) or lean away from the Sun (Winter) 6 months later.
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3V battery is used with a 15 ohm resistance.What is the current?
Pavlova-9 [17]

Answer:

0.2 A

Explanation:

V= IR

3 = I × 15

I = 3/15

= 1/5 = 0.2 A

5 0
3 years ago
What is Nuclear energy
Yuliya22 [10]

Answer:

Nuclear energy is that released by dividing the nuclei of heavy atoms (also called under the name Nuclear Fission)

Explanation:

In this process, a large amount of heat is generated that can be used to obtain mechanical energy, which is used to generate electrical energy.

Nuclear energy is a sustainable source of energy having a low impact on the environment.

3 0
3 years ago
What is the magnitude of the electric field in a region where the potential is given by the expression V = ax2 + b where a = −50
sweet [91]

Answer:

E = 1000 x

Explanation:

The electric potential and the electric field are related by the formula

        dV = - E . dx

Bold represents vectors.

The point represents the scalar product, in this case we calculate the electric field in the x-axis and the potential is also in this axis so the scalar product is reduced to the algebraic product

        E = dV /dx

Let's make the derivative

        E = - 2ax

Let's replace the values

        E = -2 (-500) x

        E = 1000 x

5 0
3 years ago
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Describe the formation of the land, the atmosphere, and the oceans of earth
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Atmosphere: (4.6 billion years ago)
As Earth cooled, an atmosphere formed mainly from gases spewed from volcanoes. It included hydrogen sulfide, methane, and ten to 200 times as much carbon dioxide as today's atmosphere. After about half a billion years, Earth's surface cooled and solidified enough for water to collect on it.

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7 0
3 years ago
What automotive system keeps the vehicle's tires in contact with the road?        A. The steering system   B. The suspension sys
taurus [48]
The answer is D transmission
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