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SIZIF [17.4K]
3 years ago
15

Chemistry The iron atom (Fe) has 26 protons, 30 neutrons, and 26 electrons. The diameter of the atom is approximately 1.0 × 10 −

10 m , while the diameter of its nucleus is about 9.2 × 10 − 15 m . (You can reasonably model the nucleus as a uniform sphere of charge.) What are the magnitude and direction of the electric field that the nucleus produces (a) just outside the surface of the nucleus and (b) at the distance of the outermost electron? (c) What would be the magnitude and direction of the acceleration of the outermost electron due only to the nucleus, neglecting any force due to the other electrons? SSM
Physics
1 answer:
Alisiya [41]3 years ago
4 0
Don’t mind this i just need to answer under something because i just signed up !
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The spring in the toy is compressed 0.070 meter by using a downward force of 12.0 newtons. Calculate the spring constant, in N/m
drek231 [11]

Answer:

The spring constant is 171.43 N/m.

Explanation:

compression in spring, x = 0.07 m

force, F = 12 N

Let the spring constant is K.

Use the formula of the restoring force of the spring

F = K x

12 = K (0.07)

K = 171.43 N/m  

4 0
3 years ago
Starting from rest, a wheel with constant angular acceleration turns through an angle of 25 rad in a time t. Through what angle
WITCHER [35]

Answer:

After time 2t, the wheel will turn through an angle of 100 rad.

Explanation:

Given;

initial velocity of the wheel, \omega_i = 0

time of motion, t = t

angular distance, θ = 25 rad

The constant angular acceleration is calculated as;

\theta = ut + \frac{1}{2}at^2\\\\\theta = 0 + \frac{1}{2}at^2\\\\2\theta = at^2\\\\a = \frac{2\theta }{t^2} \\\\a = \frac{2\ \times \ 25 }{t^2}\\\\a = \frac{50}{t^2} \\\\when \ t = 2t\\\\\theta = \frac{1}{2}at^2\\\\\theta = \frac{1}{2}(\frac{50}{t^2})(2t)^2\\\\\theta =\frac{1}{2}(\frac{50}{t^2})(4t^2)\\\\\theta = 100 \ rad

Therefore, after time 2t, the wheel will turn through an angle of 100 rad.

8 0
3 years ago
List forms of energy which you use from morning when you wake up till you reach the school?
11Alexandr11 [23.1K]

Answer:

mechanical energy, chemical energy, electrical energy heat energy sound energy light energy

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3 0
2 years ago
An electromagnetic wave travels in a vacuum. The wavelength of the wave is tripled. How is this accomplished?
love history [14]

Answer:

The wavelength of the wave is tripled this can be done by reducing the frequency of the wave by factor of three.

Explanation :

The relation between the wavelength & frequency of a wave is given by

C = ν λ

Where

C - it is the velocity of light in vacuum.

ν - frequency of the wave.

λ - wavelength of the wave.

So we find that wavelength of a wave varies inversely with the frequency of a wave i.e. ν ∝ 1/λ.

5 0
3 years ago
Steven buys a pair of scissors instead of getting a haircut. He belives the scissors will last for a long time, while the haircu
Shalnov [3]
Because it is something someone can be doing for him
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3 years ago
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