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Contact [7]
3 years ago
13

The _________ contains the majority of the mass of the atom but is much ________ than the atom.

Physics
2 answers:
bulgar [2K]3 years ago
6 0
A. 
nucleus hold protons and neutrons that contain the mass. but is smaller due to the electron cloud making the atom bigger.
zimovet [89]3 years ago
5 0
The nucleus has almost all the mass of the atom, but only a tiny tiny tiny tiny tiny portion of the atom's volume. The rest of the atom is the electron cloud and mostly empty space. I read that the nucleus in the middle of one atom is like a bunch of grapes in the middle of Texas !
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One astronomer believes that the density of the universe remains constant. One physicist believes that the density of the univer
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Read 2 more answers
At takeoff, a commercial jet has a speed of 72 m/s. Its tires have a diameter of 0.89 m. Part (a) At how many rev/min are the ti
34kurt

Answer:

a) Revolutions per minute = 2.33

b) Centripetal acceleration = 11649.44 m/s²

Explanation:

a) Angular velocity is the ratio of linear velocity and radius.

Here linear velocity = 72 m/s

Radius, r  = 0.89 x 0. 5 = 0.445 m

Angular velocity

         \omega =\frac{72}{0.445}=161.8rad/s

Frequency

         f=\frac{2\pi}{\omega}=\frac{2\times \pi}{161.8}=0.0388rev/s=2.33rev/min

Revolutions per minute = 2.33

b) Centripetal acceleration

               a=\frac{v^2}{r}

  Here linear velocity = 72 m/s

  Radius, r  = 0.445 m

Substituting

   a=\frac{72^2}{0.445}=11649.44m/s^2

Centripetal acceleration = 11649.44m/s²

6 0
3 years ago
On a particle level, what happens when thermal conduction occurs within a solid?
yKpoI14uk [10]

Answer:

Faster particles bump into slower particles ( A )

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when cannot say for sure in what direction each of the particles is moving but there is surely collisions between particles which in turn results to transfer of kinetic and potential energies

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3 years ago
What is the electric potential at a point between the 2.5-ω and 5.5-ω resistors, if the electric potential at the positive termi
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If the +12V is on one side of the 2.5 ohm R then.............

V = (2.5/8) x 12     otherwise......

V = (5.5/8) x 12


5 0
3 years ago
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