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Mama L [17]
3 years ago
5

Please help! i'll give brainliest!!

Physics
2 answers:
alukav5142 [94]3 years ago
8 0

Answer:

Explanation:

iron nail

AleksAgata [21]3 years ago
7 0

Answer:

it right. Its The Iron Nail i just did it and i got correct  (:

Explanation:

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What is the main cause of the seasons
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The main cause of the seasons is earths orbit since each time were in a new season the planet is facing the earth a different way which causes winter etc..
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A stretched rubber band has ___________ energy. a. elastic kinetic energy b. gravitational potential energy c. elastic potential
densk [106]

Answer: Option (c) is the correct answer.

Explanation:

An elastic object is defined as the object that is able to retain its shape when a force is applied on it.

For example, when we pull a rubber band then it stretches and when we withdraw the force applied on it then it retain its shape.

As we know that potential energy is the energy obtained by an object due to its position.

So, when we stretch a rubber band then it will have elastic potential energy as position of the rubber band is changing and since, it will retain it shape hence it has elastic potential energy.

Thus, we can conclude that a stretched rubber band has elastic potential energy.

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4 years ago
The inner planets formed:
Ivan

Answer:

a. by collisions and mergers of planetesimals.

Explanation:

Inner planets are planets within 1.5 AU distance from the sun. These are called terrestrial planets because they are somewhat similar to Earth, mainly made of rocks.

The main ingredient of these planets are solar nebula and interstellar dust condensation of which leads to formation of small rock particles. These particles come close to each other under in the influence of gravity and other forces. As the mass of the particles increase they form planetesimals, these planetesimals eventually merge to form planets.

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3 years ago
What are the short eruptions of intense high-energy radiation from the sun's surface called?
Irina-Kira [14]
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4 0
3 years ago
Read 2 more answers
An L-R-C series circuit is connected to a 120 Hz ac source that has Vrms = 82.0 V. The circuit has a resistance of 71.0 Ω and an
xz_007 [3.2K]

Explanation:

Given that,

Frequency of LCR circuit is 120 Hz

RMS voltage, V_{rms}=82\ V

Resistance of circuit, R = 71 Ω

Impedance, Z = 107 Ω

We need to find the average power is delivered to the circuit by the source. Firstly, finding the rms value of current,

I_{rms}=\dfrac{V_{rms}}{Z}\\\\I_{rms}=\dfrac{82}{105}\\\\I_{rms}=0.78\ A

Power is given by :

P=I_{rms}V_{rms}\cos\phi

\cos\phi = \dfrac{R}{Z}\\\\\cos\phi = \dfrac{71}{105}\\\\\cos\phi =0.676

Now, power,

P=0.78\times 82\times 0.676\\\\P=43.23\ W

So, the average power of 43.23 watts is delivered to the circuit by the source.

7 0
4 years ago
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