3 years ago

HELP ASAP! GIVING BRAINLIEST!

2 answers:

4 0

Answer: The narrator is pointing out that energy is involved in every event, and each event can be described in terms of energy.

Explanation: plato answer

pochemuha3 years ago

3 0

He means that the universe transgressed through different forms as it evolved; it could also be an analogy about the different processes the universe went through throughout the 13 trillion years to present day.

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which layer of the atmosphere is directly above the troposphere A. exosphere B. mesosphere C. troposphere or D. stratosphere

lozanna [386]

The layer above it would be D. the Stratosphere

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3 years ago

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Three equal point charges, each with charge 1.05 μCμC , are placed at the vertices of an equilateral triangle whose sides are of

kirza4 [7]

Answer:

The value is $U = 0.06 \ J$

Explanation:

From the question we are told that

The value of charge on each three point charge is

$q_1 = q_2 = q_3 =q= 1.05 \mu C = 1.05 *10^{-6} \ C$

The length of the sides of the equilateral triangle is $r = 0.500 \$

Generally the total potential energy is mathematically represented as

$U = k * [ \frac{q_1 * q_2}{r} + \frac{q_2 * q_3}{r} + \frac{q_3 * q_1}{r} ]$

=> $U = k * 3 * \frac{q^2}{r}$

Here k is coulomb constant with value $k = 9*10^{9}\ kg\cdot m^3\cdot s^{-4} \cdot A^{-2}.$

=> $U = 9*10^9 * 3 * \frac{(1.05 *10^{-6})^2}{0.5 }$

$U = 0.06 \ J$

6 0

3 years ago

The light rays in the illustration below do not properly focus at the focal point. this problem occurs with?

tankabanditka [31]

Answer:

The problem occurs with all spherical mirrors.

Spherical mirrors are practical up to about inches in diameter.

Reflecting telescopes use spherical mirrors for apertures up to about 4 ".

Larger aperture telescopes use parabolic mirrors to obtain sharp focus.

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3 years ago

How many atoms are in a 4.7 g copper coin?

azamat

3.11 is the answer I think

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3 years ago

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How is light used to make other form of transportations safer

Rzqust [24]

It makes it easier to see in dark places

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