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

write the formulae of magnesium chloride and sodium sulfate ​
Helps me please in this
Dan invests £13000 into his bank account. He receives 2.3% per year simple interest. How much will Dan have after 4 years? Give your answer to the nearest penny
A triangle ABC is right angled at A, AL is perpendicular to BC. Prove that angle BAL= angle BCA.​
Help me pls I put the picture in the attach file below (Sorry i'm in secondary school but i have a problem with my settings)
Two lenses having f1:F2=2:3 has combination to make no dispersion.Find the ratio of their dispersive power?a)2:3 b)3:2 c)4:9 d)9:4​
What types of house are found in very cold regions​
computer can do work very___​
An e-mail program allows? A. users to access and view web pages on the internet. B. geographically separated people to transfer audio and video. C. real-time ex
what does it mean Allegiance??????