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galben [10]
4 years ago
10

Ionic compounds molecules have strong forces of attraction between neighboring molecules. Which conclusion could be drawn about

materials held together by ionic bonds? A) These materials would have low densities as solids. Eliminate B) These materials would have very high boiling points. C) These materials will likely be gases at room temperature. D) These materials will likely be liquids at room temperature.
Physics
1 answer:
r-ruslan [8.4K]4 years ago
7 0

Answer:

these material would have very high boiling points

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Given data

          mass (m) = 0.2 Kg ,

       velocity (v) =300 m/s ,

      calculate momentum <em>(p) = m × v  </em>

<em>                                                 = 0.2 × 300</em>

<em>                                          </em><em>     P  = 60 Kg. m/s</em>

<em> Momentum of the bullet is 60 Kg. m/s..</em>

7 0
4 years ago
A paperweight consists of a 8.55-cm-thick plastic cube. Within the plastic a thin sheet of paper is embedded, parallel to opposi
ella [17]

Answer:

\mu=1.5322

Explanation:

Given:

Thickness of the paperweight cube, x=8.55\ cm

apparent depth from one side of the inbuilt paper in the plastic cube, i=4.02\ cm

apparent depth from the other side of the inbuilt paper in the plastic cube, i'=1.56\ cm

Now as we know that refractive index is given as:

\rm \mu=\frac{real\ depth}{apparent\ depth}

  • Let the real depth form first side of the slab be, d
  • Then the depth from the second side of the slab will be, d'=x-d=8.55-d

Since refractive index for an amorphous solid is an isotropic quantity so it remains same in all the direction for this plastic.

\mu=\mu'

\frac{d}{i} =\frac{d'}{i'}

\frac{d}{4.02}=\frac{8.55-d}{1.56}

d=6.1597\ cm

Now the refractive index:

\mu=\frac{d}{i}

\mu=\frac{6.1596}{4.02}

\mu=1.5322

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3 years ago
What are the two main processes carried out by the excretory system?​
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4 years ago
The weight of an object is the product of its mass, mmm, and the acceleration of gravity, ggg (where g=9.8 m/s2g=9.8 m/s2). If a
Andre45 [30]

Answer:

Weight of the object will be 98 N

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We have given mass of the object m = 10 kg

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We have to find the weight of the object

Weight of the object is dependent on mass and acceleration due to gravity, it is the product of mass and acceleration due to gravity

So weight of the object W = mass × acceleration due to gravity

So W=10\times 9.8=98N

So weight of the object will be 98 N

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The ray model of light states that light travels in the form of ?
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