kamikathegreat3836 kamikathegreat3836
  • 02-03-2020
  • Chemistry
contestada

What is the escape speed for an electron initially at rest on the surface of a sphere with a radius of 1.0 cm and a uniformly distributed charge of 1.91 ×10-15 C

Respuesta :

mshahzaib247
mshahzaib247 mshahzaib247
  • 04-03-2020

Answer:

v = 22492 ms^-1

Explanation:

[tex]1/2 m v^2 = kqQ / r[/tex]

[tex]v = \sqrt{2kqQ / rm}[/tex]

[tex]v = \sqrt{2*(9*10^9)*(1.6*10^-19)*(1.6 * 10^-15) / (0.01)*(9.109*10^-31)}[/tex]

v = 22492 ms^-1

v = 22.492 k ms^-1

Answer Link

Otras preguntas

How do you keep your pants up?
After a bout of high-intensity resistance exercise, muscle protein breakdown is increased for approximately how long
The area of a rectangle is 720 sqft. The ratio of length to the width is 3:5. Find the perimeter
Can someone help me with this plssss it will help alot :) (IM GIVING 95 POINTS)
f (x)  =  3e x2 − 4x, 0  ≤  x  ≤  3
How should you connect a voltage meter when checking AC voltage?
i hate brainly and math wahhhhhhhhhhhhhhh
what biomolecules would you find in the stomach of a person that ate chicken alfredo pasta with extra parmesan cheese?
Simplify (2x^2 + 5x + 3) − (−7x^2 + 3x - 5) Write the answer in standard form.
Or PPO to hire a guard legally, what does the guard need to process?a. A current guard card, and turn identification that satisfies and I-9 formb. A high school