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deff fn [24]
3 years ago
12

Which statement describes one feature of Rutherford's model of the atom?

Physics
1 answer:
Arlecino [84]3 years ago
7 0

Answer:

The atom is mostly empty space.

Explanation:

Ernest Rutherford in the year 1911 developed a model of an atom. In his model the atom was shown that the atom is mostly empty spaces composed of negative electrons which orbits round a positive nucleus just like planets revolving round the sun.

Rutherford came up with this model by performing experiments in 1909 which involves the scattering of alpha particles on a thin gold foil. From this experiments he came up with his model.

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sveticcg [70]

They almost entirely reside within galaxies because quasars are a subset of blackholes with a large and fast enough accretion disk to generate a beam of interstellar material perpendicular to itself. This typically only occurs in the largest black holes at the center of galaxies (supermassive blackholes) or at least stellar black holes---which still occur within galaxies because the material is necessary to form them.

6 0
3 years ago
The plug has a diameter of 30 mm and fits within a rigid sleeve having an inner diameter of 32 mm. Both the plug and the sleeve
Katena32 [7]

Answer:

P=740 KPa

Δ=7.4 mm

Explanation:

Given that

Diameter of plunger,d=30 mm

Diameter of sleeve ,D=32 mm

Length .L=50 mm

E= 5 MPa

n=0.45

As we know that

Lateral strain

\varepsilon _t=\dfrac{D-d}{d}

\varepsilon _t=\dfrac{32-30}{30}

\varepsilon _t=0.0667

We know that

n=-\dfrac{\epsilon _t}{\varepsilon _{long}}

\varepsilon _{long}=-\dfrac{\epsilon _t}{n}

\varepsilon _{long}=-\dfrac{0.0667}{0.45}

\varepsilon _{long}=-0.148

So the axial pressure

P=E\times \varepsilon _{long}

P=5\times 0.148

P=740 KPa

The movement in the sleeve

\Delta =\varepsilon _{long}\times L

\Delta =0.148\times 50

Δ=7.4 mm

6 0
3 years ago
Which type of force pulls objects toward one another
Klio2033 [76]
Gravity ALWAYS does that, and electrostatic force does it when two objects have opposite charges.
4 0
3 years ago
Read 2 more answers
The distance between 2 successive crests of a water travelling at 3.6m per second is 0.45m. calculate the frequency of the wave​
Snezhnost [94]

Answer:

8 hz

Explanation:

Wave Frequency = \frac{velocity}{wavelength}

F=\frac{3.6}{0.45} = 8

7 0
3 years ago
Which of the following planets does not have any rock?
sp2606 [1]
Jupiter because it’s completely gas.
6 0
3 years ago
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