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3 years ago

How long does it take for the moon to revolve once

Physics

2 answers:

Romashka [77]3 years ago

6 0

It takes the moon to revolve 27 days around the earth
:)

Fiesta28 [93]3 years ago

5 0

It takes the moon about 27 days to revolve on its axis.

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Which statement best describes the formation of igneous rocks?

Cerrena [4.2K]

b. describes it best because a form of molten cools down and makes igneous rock. Good luck! Please mark me brainliest!

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3 years ago

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For a top player, a tennis ball may leave the racket on the serve with a speed of 55 m/s (about 120 mi/h). If the ball has a mas

inn [45]

Answer:

Yes is large enough

Explanation:

We need to apply the second Newton's Law to find the solution.

We know that,

$F= ma$

And we know as well that

$a= \frac{v}{t}$

Replacing the aceleration value in the equation force we have,

$F= \frac{mv}{t}$

Substituting our values we have,

$F= \frac{(0.060)(55)}{4*10^{-3}}$

$F=825N$

The weight of the person is then,

$W = mg$

$W = (60)(9.8) = 558N$

<em>We can conclude that force on the ball is large to lift the ball</em>

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3 years ago

The American Psychological Association is the only organization that can approve psychological research studies.

pav-90 [236]

Answer: This is False.

Explanation:

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3 years ago

What is the difference between condensation and precipitation

Alexxandr [17]

Explanation:

The water cycle is based on three parts;

1. Evaporation

2. Condensation

3. Participation

Condensation:

It is the process in which water vapor changes into liquid water or in other words, it is the transition from the gaseous state to liquid state.

Precipitation:

It is the process in which any liquid or frozen water such as snow that forms in the atmosphere and falls back to the Earth

Condensation depends on temperature and pressure whereas precipitation depends on the temperature and the concentration of the solution.

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3 years ago

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Consider a spherical capacitor with radius of the inner conducting sphere a and the outer shell b. The outer shell is grounded (

AleksAgata [21]

Answer:

Explanation:

The application of Gauss's law is used in the derivation as shown with detailed step by step in the attached file.

The potential difference on this spherical capacitor is ΔV = Va - Vb = kQ/a - kQ/b = kQ(1/a - 1/b)

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3 years ago