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3 years ago

7

True or false The Oort cloud is a large collection of comets that surrounds the solar system.

1 answer:

Mila [183]3 years ago

6 0

<span>So we want to know if it is true or false that The Oort clout is a large collection of comets that surrounds the Solar system. The Oort cloud is roughly a spherical shell that surrounds the Solar system and it mostly consists of icy objects and it is the source of the most of the long term comets that have been observed. So the answer is TRUE. </span>

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A parallel-plate capacitor in air has circular plates of radius 2.8 cm separated by 1.1 mm. Charge is flowing onto the upper pla

Hatshy [7]

Answer:

The time rate of change of the electric field between the plates is $\frac{E }{t} = 2.29 *10^{14} \ N \cdot C \cdot s^{-1}$

Explanation:

From the question we are told that

The radius is $r = 2.8 \ cm = 0.028 \ m$

The distance of separation is $d = 1.1 \ mm = 0.0011 \ m$

The current is $I = 5 \ A$

Generally the electric field generated is mathematically represented as

$E = \frac{q }{ \pi * r^2 \epsilon_o }$

Where $\epsilon_o$ is the permitivity of free space with a value

$\epsilon_o = 8.85*10^{-12 }\ m^{-3} \cdot kg^{-1}\cdot s^4 \cdot A^2$

So the time rate of change of the electric field between the plates is mathematically represented as

$\frac{E }{t} = \frac{q}{t} * \frac{1 }{ \pi * r^2 \epsilon_o }$

But $\frac{q}{t } = I$

So

$\frac{E }{t} = * \frac{I }{ \pi * r^2 \epsilon_o }$

substituting values

$\frac{E }{t} = * \frac{5 }{3.142 * (0.028)^2 * 8.85 *10^{-12} }$

$\frac{E }{t} = 2.29 *10^{14} \ N \cdot C \cdot s^{-1}$

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3 years ago

________ is the average kinetic energy of each atom.<br><br> radiation<br> temperature<br> potential

SSSSS [86.1K]

It could be radiation because radiation means <span>the emission of energy as electromagnetic wave, but potential fits it best</span>

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3 years ago

Lab number 14: sudden stops hurt newtons first law

kompoz [17]

Answer:

you want to know newtons first law here.

Explanation:

An object that is at rest stays at rest or stays in motion.

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3 years ago

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SashulF [63]

Answer:

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Explanation:

from power=energy/time

BUT energy=force times distance

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3 years ago

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vesna_86 [32]

Answer:

my bad ion even know what it is i just need sum points

Explanation:

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3 years ago

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