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vaieri [72.5K]
3 years ago
15

The Bohr model pictures a hydrogen atom in its ground state as a proton and an electron separated by the distance a0 = 0.529 × 1

0−10 m. The electric potential created by the electron at the position of the proton is
Physics
1 answer:
Tpy6a [65]3 years ago
8 0

Answer:

E = -8.23 ​​10⁻¹⁷ N / C

Explanation:

In the Bohr model, the electric potential for the ground state corresponding to the Bohr orbit is

         E = k q₁ q₂ / r²

in this case

q₁ is the charge of the proton and q₂ the charge of the electron

         E = - k e² / a₀²

let's calculate

         E = - 9 10⁹ (1.6 10⁻¹⁹)² / (0.529 10⁻¹⁰)²

         E = -8.23 ​​10⁻¹⁷ N / C

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a team of dogs is pulling a sled with a net force of 2000 N. The sled is accelerating a 2.2 m/s^2. What is the mass of the sled?
sweet-ann [11.9K]
Force, F = ma

Where m = mass in kg, a = acceleration in m/s²,  Force, F is in N.

F = ma

2000 = m*2.2

2.2m = 2000

m = 2000/2.2

m ≈ 909.09

Mass is ≈ 909.09 kg.
5 0
3 years ago
Hans observed properties of four different waves and recorded observations about each one in his chart.
Andre45 [30]
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How does the tension in your arms compare when you let yourself dangle motionless by both arms and by one arm
PolarNik [594]

When you support yourself with two arms, the tension in each arm is half of the tension you experience when you support your weight with only one arm.

The tension in your arm is directly proportional to the weight of your body.

T = W = mg

When you support your weight with your two arms;

  • the upward force balancing the downward force due to the weight of your body will be distributed equally in both arms.

Tension \ in \ each \ arm = \frac{Total \ weight \ of \ your \ body}{2}

When you support the weight of your body with one arm,

  • the upward force balancing the downward force due to your weight will be on only one arm

Tension \ in \ the \ one \ arm = Total \ weight \ of \ your \ body

Thus, when you support yourself with two arms, the tension in each arm is half of the tension you experience when you support your weight with only one arm.

Learn more here: brainly.com/question/13443419

6 0
2 years ago
Suppose that one day, you woke up and could not see the color red. Identify how the American flag would look to you.
Greeley [361]
I guess since I couldn't see red, I might see the red stripes as white or maybe not even see them at all.
3 0
3 years ago
An electromagnetic wave has a frequency of 2.90 × 1014 Hz. What is the wavelength of the wave? Question 17 options: 1.03 × 10–6
kolbaska11 [484]

Answer:

Wavelength of the wave is 1.034 \times 10^{-6} m

Explanation:

Wavelength of the wave is given by

\lambda=\frac{v}{f} \\

Here,

f=2.90\times 10^{14} Hz\\v=3\times 10^8 m/s

wavelength is

\lambda=\frac{v}{f} \\\lambda=\frac{3 \times 10^8}{2.90\times 10^{14}}\\\lambda=1.034 \times 10^{-6} m

Option A is correct

5 0
3 years ago
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