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3 years ago

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Make a 29 day timeline. Along the timeline draw and label the phases of the Moon starting with a full moon, crescent, first quar

ter, gibbous and full. Finish the second half showing the waning moons back to the new moon.
PLEASE Include the drawing and your answer to the question above

PLEASE NO FAKE ANSWERS.

1 answer:

Yanka [14]3 years ago

5 0

Ummm.... this is a type of question that u have to do by yourself for class. Good luck ;)!!!!! Plz mark as brainliest

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Rahul sits in a chair reading a book. Which force is equal to the force Rahul exerts on Earth?

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The first opiton is the answer A)<span>Rahul’s weight
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According to the "Future Potential Source #2: Wind" article, what natural resource does wind power free up

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A steel wire of length 31.0 m and a copper wire of length 17.0 m, both with 1.00-mm diameters, are connected end to end and stre

Brut [27]

Answer:

The time taken is $t = 0.356 \ s$

Explanation:

From the question we are told that

The length of steel the wire is $l_1 = 31.0 \ m$

The length of the copper wire is $l_2 = 17.0 \ m$

The diameter of the wire is $d = 1.00 \ m = 1.0 *10^{-3} \ m$

The tension is $T = 122 \ N$

The time taken by the transverse wave to travel the length of the two wire is mathematically represented as

$t = t_s + t_c$

Where $t_s$ is the time taken to transverse the steel wire which is mathematically represented as

$t_s = l_1 * [ \sqrt{ \frac{\rho * \pi * d^2 }{ 4 * T} } ]$

here $\rho_s$ is the density of steel with a value $\rho_s = 8920 \ kg/m^3$

So

$t_s = 31 * [ \sqrt{ \frac{8920 * 3.142* (1*10^{-3})^2 }{ 4 * 122} } ]$

$t_s = 0.235 \ s$

And

$t_c$ is the time taken to transverse the copper wire which is mathematically represented as

$t_c = l_2 * [ \sqrt{ \frac{\rho_c * \pi * d^2 }{ 4 * T} } ]$

here $\rho_c$ is the density of steel with a value $\rho_s = 7860 \ kg/m^3$

So

$t_c = 17 * [ \sqrt{ \frac{7860 * 3.142* (1*10^{-3})^2 }{ 4 * 122} } ]$

$t_c =0.121$

So

$t = t_c + t_s$

$t = 0.121 + 0.235$

$t = 0.356 \ s$

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3 years ago

Which of the following is NOT an exercise myth?

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It is <span>C. Low to moderate level of exertion can be sustained over long periods of time </span>

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2 years ago

Which option identifies a factor that would make the reasoning for a claim scientifically invalid?

lora16 [44]

Answer:

C)a lack of supporting empirical evidence

Explanation:

A scientific reasoning can be rendered invalid if empirical evidences are lacking. Empirical evidences are usually a product of observations or experiments.

When these are lacking or cannot be gathered, scientific observations or sometimes reasoning can be rendered as invalid because there is no ground to prove them.

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3 years ago