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EastWind [94]
3 years ago
7

EVERYONE BE AWARE IF YOU GET SENT SOMETHING LIKE THIS (Answer is in the photo. I can only upload it to a file hosting service. l

ink below!tinyurl.com/wtjfavyw)
OR IT IS ANSWEARED ON ONE OF YOUR QUESTIONS DO NOT OPEN IT I HAVE GOTTEN IT ON 2 OF MY QUESTIONS AND I BELIEVE THEY ARE VIRUS LINKS
CHECK MY PROFILE IF YOU WANT TO MY NEWEST QUESTIONS CONTAIN 2 ACOUNTS THAT SAID THIS
Physics
1 answer:
Monica [59]3 years ago
3 0

Answer:

Yeah i gotten some of those and I didnt open them

Explanation:

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question 1, A

Question 2, D

Question 3, B

hope this helps :)

8 0
3 years ago
Compared to a stationary galaxy, light from a galaxy that is moving away from earth will appear _____.
Vlad1618 [11]
"B" When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer.
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3 years ago
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Experiment: Limestone
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3 years ago
Ice skaters often end their performances with spin turns, where they spin very fast about their center of mass with their arms f
vampirchik [111]

Answer:

\large \boxed{\text{30 rev/s}}

Explanation:

This question is based on the Law of Conservation of Angular Momentum.

Angular momentum (L) equals the moment of inertia (I) times the angular speed (ω).

L = Iω

If momentum is conserved,

I₁ω₁ = I₂ω₂

Data:

 I₁ = 3.5    kg·m²s⁻¹

ω₁ = 6.0    rev·s⁻¹

 I₂ = 0.70 kg·m²s⁻¹

Calculation:

\begin{array}{rcl}I_{1}\omega_{1} &= &I_{2}\omega_{2}\\\text{3.5 kg$\cdot$m$^{2}$}\times \text{6.0 rev/s} &= &\text{0.70 kg$\cdot$m$^{2}$}\times\omega_{2}\\\text{21 rev/s} &= &0.70\omega_{2}\\\omega_{2} & = & \dfrac{\text{21 rev/s}}{0.70}\\\\&=&\textbf{30 rev/s}\\\end{array}\\\text{The skater's final rotational speed is $\large \boxed{\textbf{30 rev/s}}$}

8 0
3 years ago
Why would knowing the characteristics of circuits be important in designing electrical circuits?
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3 years ago
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