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3 years ago

Most asteroids lie between the orbits of

Physics

2 answers:

Over [174]3 years ago

5 0

The answer is
B. Mars and Jupiter

The asteroid belt lies between the orbits of the planets Mars and Jupiter

Anika [276]3 years ago

4 0

I believe the answer is B. that's where the asetroid belt is.

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Aloiza [94]

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3 years ago

After asking a question, a scientist can form a(n) , which is an idea that may be proved or disproved by an experiment.

DochEvi [55]

Answer:

When scientists have a question, they form a hypothesis, which is an idea that may be proved or disproved by an experiment.

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3 years ago

Read 2 more answers

Whats the answer to this question show in the picture 2 questions

astraxan [27]

1) D

2) I would say A, but not 100%, its the only one that makes sense tho

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3 years ago

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Multiple-Concept Example 7 and Interactive LearningWare 26.1 provide some helpful background for this problem. The drawing shows

Vlada [557]

Answer:

n = 1.4266

Explanation:

Given that:

refractive index of crystalline slab n = 1.665

let refractive index of fluid is n.

angle of incidence θ₁ = 37.0°

Critical angle $\theta _c = sin^{-1} (\frac{n}{n_{slab}} )$

$sin \theta _ c =\frac{n}{n_{slab}}$

According to Snell's law of refraction:

$n sin \theta _1 = n_{slab} \ sin \ (90- \theta_c)$

At point P ; $90 - \theta _2 \leq \theta _c$

$\theta _2 = 90 - \theta _c$

Therefore:

$n \ sin \theta_1 = n_{slab} \sqrt{(1-sin^2 \theta _c)} \\ \\ n \ sin \theta_1 = n_{slab} \sqrt{(1- \frac{n}{n_{slab}} )}$

Then maximum value of refractive index n of the fluid is:

$n = \frac{n_{slab}}{\sqrt{1+ sin^2 \theta _1 } }$

$n = \frac{1.665}{\sqrt{1+ sin^2 \ 37} }$

n = 1.4266

3 0

3 years ago

Questions -

irga5000 [103]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The value of $X = 1000 \ N$ and $Y = 1400 \ N$

Explanation:

Considering the diagram,

Taking moment about the pivot , we have

$X * 1 = 400 * 2.5$

=> $X = 1000 \ N$

Generally given that the bar is at equilibrium then the upward forces is equal to the down ward force

$Y = X + 400$

=> $Y = 1000 + 400$

=> $Y = 1400 \ N$

3 0

3 years ago